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  <front>
    <journal-meta>
      <journal-id journal-id-type="nlm-ta">Arq Bras Cardiol</journal-id>
      <journal-id journal-id-type="publisher-id">abc</journal-id>
      <journal-title-group>
        <journal-title>Arquivos Brasileiros de Cardiologia</journal-title>
        <abbrev-journal-title abbrev-type="publisher">Arq. Bras. Cardiol.</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="ppub">0066-782X</issn>
      <issn pub-type="epub">1678-4170</issn>
      <publisher>
        <publisher-name>Sociedade Brasileira de Cardiologia - SBC</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id specific-use="scielo-v3" pub-id-type="publisher-id">TrGdzVhXjckQwgFRgs9x3yM</article-id>
      <article-id specific-use="scielo-v2" pub-id-type="publisher-id">S0066-782X2021000900051</article-id>
      <article-id pub-id-type="publisher-id">abc.20200222</article-id>
      <article-id pub-id-type="doi">10.36660/abc.20200222</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Artigo Original</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Tend&#234;ncia Temporal da Mortalidade por Doen&#231;as Isqu&#234;micas do Cora&#231;&#227;o no Nordeste Brasileiro (1996&#8211;2016): Uma An&#225;lise Segundo G&#234;nero e Faixa Et&#225;ria</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Santana</surname>
            <given-names>Gibson Barros de Almeida</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Leal</surname>
            <given-names>Thiago Cavalcanti</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Paiva</surname>
            <given-names>Jo&#227;o Paulo Silva de</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Silva</surname>
            <given-names>Leonardo Feitosa da</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Santos</surname>
            <given-names>Lucas Gomes</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Oliveira</surname>
            <given-names>Tatiana Farias de</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Mesquita</surname>
            <given-names>Rodrigo da Rosa</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Gomes</surname>
            <given-names>J&#233;ssica Alves</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0001-7995-1893</contrib-id>
          <name>
            <surname>Souza</surname>
            <given-names>Carlos Dornels Freire de</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-6668-2820</contrib-id>
          <name>
            <surname>Rodrigues</surname>
            <given-names>Amanda Karine Barros Ferreira</given-names>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
      </contrib-group>
      <aff id="aff1">
        <label>1</label>
        <institution content-type="orgname">Universidade Federal de Alagoas</institution>
        <addr-line>
          <named-content content-type="city">Macei&#243;</named-content>
          <named-content content-type="state">AL</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade Federal de Alagoas, Macei&#243;, AL - Brasil</institution>
      </aff>
      <author-notes>
        <corresp id="c01"> Correspond&#234;ncia: Carlos Dornels Freire de Souza &#8226; Universidade Federal de Alagoas - Campus Arapiraca &#8211; Medicina &#8211; Av. Manoel Severino Barbosa. CEP 57309-005, Arapiraca, AL &#8211; Brasil E-mail: <email>carlos.freire@arapiraca.ufal.br</email> </corresp>
        <fn fn-type="con">
          <p>Contribui&#231;&#227;o dos autores</p>
          <p>Concep&#231;&#227;o e desenho da pesquisa e Obten&#231;&#227;o de dados: Santana GBA, Oliveira TF, Mesquita RR, Gomes JA, Souza CDF, Rodrigues AKBF; An&#225;lise e interpreta&#231;&#227;o dos dados: Santana GBA, Leal TC, Paiva JPS, Silva LF, Santos LG, Gomes JA, Souza CDF, Rodrigues AKBF; An&#225;lise estat&#237;stica: Santana GBA, Leal TC, Paiva JPS, Silva LF, Santos LG, Souza CDF, Rodrigues AKBF; Reda&#231;&#227;o do manuscrito: Santana GBA, Leal TC, Paiva JPS, Silva LF, Oliveira TF, Gomes JA, Souza CDF, Rodrigues AKBF; Revis&#227;o cr&#237;tica do manuscrito quanto ao conte&#250;do intelectual importante: Santana GBA, Leal TC, Paiva JPS, Silva LF, Santos LG, Souza CDF, Rodrigues AKBF.</p>
        </fn>
        <fn fn-type="conflict">
          <p>Potencial conflito de interesse</p>
          <p>N&#227;o h&#225; conflito com o presente artigo</p>
        </fn>
      </author-notes>
      <pub-date date-type="pub" publication-format="electronic">
        <day>26</day>
        <month>07</month>
        <year>2021</year>
      </pub-date>
      <pub-date publication-format="electronic" date-type="collection">
        <month>07</month>
        <year>2021</year>
      </pub-date>
      <volume>117</volume>
      <issue>1</issue>
      <fpage>51</fpage>
      <lpage>60</lpage>
      <history>
        <date date-type="received">
          <day>20</day>
          <month>03</month>
          <year>2020</year>
        </date>
        <date date-type="rev-recd">
          <day>31</day>
          <month>05</month>
          <year>2020</year>
        </date>
        <date date-type="accepted">
          <day>05</day>
          <month>08</month>
          <year>2020</year>
        </date>
      </history>
      <permissions>
        <license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/" xml:lang="en">
          <license-p> This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. </license-p>
        </license>
      </permissions>
      <abstract>
        <title>Resumo</title>
        <sec>
          <title>Fundamentos</title>
          <p> As doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC) s&#227;o a primeira causa de mortes dentre as doen&#231;as cardiovasculares (DCV).</p>
        </sec>
        <sec>
          <title>Objetivo</title>
          <p> Descrever o perfil sociodemogr&#225;fico e analisar tend&#234;ncia da taxa de mortalidade por DIC, segundo sexo e por faixa et&#225;ria, nos estados da regi&#227;o Nordeste do Brasil, 1996-2016.</p>
        </sec>
        <sec>
          <title>M&#233;todos</title>
          <p> Estudo ecol&#243;gico envolvendo a mortalidade por DIC nos estados do Nordeste. Vari&#225;veis analisadas: sexo, idade, escolaridade, estado civil, categoria do CID-10 e estado de resid&#234;ncias. Foram calculadas taxas brutas e padronizadas. Os dados de &#243;bitos foram coletados do Sistema de Informa&#231;&#245;es sobre Mortalidade; e os dados populacionais, do Instituto Brasileiro de Geografia e Estat&#237;stica (IBGE). Nas an&#225;lises temporais, utilizou-se o modelo de regress&#227;o por pontos de inflex&#227;o, com c&#225;lculo do percentual de varia&#231;&#227;o anual (APC,<italic> Annual Percent Change</italic>) e do percentual de varia&#231;&#227;o m&#233;dio do per&#237;odo (AAPC,<italic> Average Annual Percent Change</italic>). Considerou-se intervalo de confian&#231;a de 95% e signific&#226;ncia de 5%.</p>
        </sec>
        <sec>
          <title>Resultados</title>
          <p> Registrou-se 405.916 &#243;bitos por DIC na regi&#227;o Nordeste durante o per&#237;odo estudado. O perfil de &#243;bitos caracteriza-se por homens (n=229.006; 56,42%), idosos (n=301.379; 74,25%), ra&#231;a/cor parda (n=197.936; 48,76%), fundamental ou &lt;4 anos na escola (n=232.599; 57,30%) e casados (n=179.599; 44,25%). Houve destaque incomum para o aumento na taxa de incremento anual na faixa et&#225;ria de adolescentes (AAPC: 5,2%, p&lt;0,01). A taxa de mortalidade regional padronizada cresceu de 30,7/100 mil habitantes, em 1996, para 53,8/100 mil, em 2016 (AAPC:2,8%; p&lt;0,01). Todos os nove estados apresentaram tend&#234;ncia estatisticamente significante de crescimento, com &#234;nfases para o Maranh&#227;o (AAPC:7,6%; p&lt;0,01) e o Piau&#237; (AAPC:6,0%; p&lt;0,01).</p>
        </sec>
        <sec>
          <title>Conclus&#227;o</title>
          <p> O perfil prevalente observado foi de homens, idosos, ra&#231;a/cor parda, baixa escolaridade e casados. A mortalidade por DIC apresentou tend&#234;ncia de crescimento em todos os estados, ainda que com padr&#227;o desigual entre as unidades federadas.</p>
        </sec>
      </abstract>
      <kwd-group xml:lang="pt">
        <kwd>Isquemia Mioc&#225;rdica/mortalidade</kwd>
        <kwd>Epidemiologia</kwd>
        <kwd>Fatores Socioecon&#244;micos</kwd>
        <kwd>Mortes</kwd>
        <kwd>An&#225;lise Estat&#237;stica</kwd>
        <kwd>Demografia</kwd>
        <kwd>Sa&#250;de P&#250;blica</kwd>
      </kwd-group>
      <counts>
        <fig-count count="2"/>
        <table-count count="8"/>
        <equation-count count="0"/>
        <ref-count count="43"/>
        <page-count count="10"/>
      </counts>
    </article-meta>
  </front>
  <body>
    <sec sec-type="intro">
      <title>Introdu&#231;&#227;o</title>
      <p>O r&#225;pido envelhecimento populacional, o processo de urbaniza&#231;&#227;o acelerado e as mudan&#231;as socioecon&#244;micas cont&#237;nuas impactaram no estilo de vida dos indiv&#237;duos nas &#250;ltimas d&#233;cadas, modificando o perfil epidemiol&#243;gico.<sup><xref rid="B1" ref-type="bibr">1</xref>-<xref rid="B3" ref-type="bibr">3</xref></sup>Nesse cen&#225;rio, as doen&#231;as cr&#244;nicas n&#227;o transmiss&#237;veis (DCNT) &#8211; doen&#231;as cardiovasculares (DCV), c&#226;nceres, doen&#231;as respirat&#243;rias cr&#244;nicas e diabetes melito (DM) &#8211; ganharam espa&#231;o no contexto epidemiol&#243;gico e social, constituindo um problema global de sa&#250;de respons&#225;vel por 40 milh&#245;es de mortes anuais, sendo 17 milh&#245;es em decorr&#234;ncia de DCV.<sup><xref rid="B4" ref-type="bibr">4</xref></sup></p>
      <p>No Brasil, em 2016, as DCNT resultaram em 707 mil &#243;bitos, dos quais 362 mil foram por DCV.<sup><xref rid="B5" ref-type="bibr">5</xref></sup> Em virtude da dimens&#227;o continental do pa&#237;s, a din&#226;mica da mortalidade por DCNT entre as regi&#245;es e unidades da federa&#231;&#227;o brasileira n&#227;o ocorre de modo homog&#234;neo. S&#227;o Paulo, por exemplo, segue o padr&#227;o dos pa&#237;ses desenvolvidos, com redu&#231;&#227;o da taxa de mortalidade,<sup><xref rid="B6" ref-type="bibr">6</xref></sup> enquanto na regi&#227;o Nordeste, sob contexto socioecon&#244;mico diferente (piores indicadores socioecon&#244;micos e dif&#237;cil acesso &#224; sa&#250;de), o cen&#225;rio &#233; o oposto.<sup><xref rid="B7" ref-type="bibr">7</xref>,<xref rid="B8" ref-type="bibr">8</xref></sup></p>
      <p>Dentre as DCV, as mais prevalentes s&#227;o as doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC), respons&#225;veis por 116 mil &#243;bitos no Brasil somente no ano de 2016.<sup><xref rid="B5" ref-type="bibr">5</xref></sup> As DIC apresentam-se como um fluxo sangu&#237;neo insuficiente e suprimento de oxig&#234;nio inadequado ao cora&#231;&#227;o, cujas consequ&#234;ncias microsc&#243;picas ser&#227;o: les&#227;o isqu&#234;mica do mioc&#225;rdio, dano irrevers&#237;vel aos cardiomi&#243;citos e hipertrofia de sobrecarga em &#225;reas n&#227;o necr&#243;ticas.<sup><xref rid="B9" ref-type="bibr">9</xref></sup> De forma pragm&#225;tica, os indiv&#237;duos apresentam aumento na depend&#234;ncia das atividades de vida di&#225;ria e de mobilidade, ou seja, h&#225; diminui&#231;&#227;o da capacidade funcional.<sup><xref rid="B10" ref-type="bibr">10</xref></sup></p>
      <p>Os fatores de risco dessas doen&#231;as s&#227;o classificados em duas categorias: modific&#225;veis e n&#227;o modific&#225;veis. Os fatores modific&#225;veis s&#227;o hipertens&#227;o arterial sist&#234;mica (HAS), obesidade, sedentarismo, h&#225;bitos alimentares inadequados, tabagismo, consumo de bebidas alco&#243;licas, dislipidemias e resist&#234;ncia &#224; insulina; os n&#227;o modific&#225;veis referem-se a idade, g&#234;nero, ra&#231;a e hereditariedade.<sup><xref rid="B11" ref-type="bibr">11</xref>,<xref rid="B12" ref-type="bibr">12</xref></sup> O controle dos fatores de risco modific&#225;veis reduz em larga escala a morbimortalidade pelas doen&#231;as cardiovasculares.<sup><xref rid="B13" ref-type="bibr">13</xref></sup></p>
      <p>A realiza&#231;&#227;o de investiga&#231;&#245;es sobre a evolu&#231;&#227;o temporal da mortalidade por DCV no Nordeste &#233; fundamental para a tomada de decis&#227;o em sa&#250;de, j&#225; que podem contribuir para a defini&#231;&#227;o de &#225;reas priorit&#225;rias de interven&#231;&#227;o e para o desenvolvimento de estrat&#233;gias e a&#231;&#245;es voltadas para a melhoria de sa&#250;de da popula&#231;&#227;o, sobretudo no que diz respeito aos fatores de risco.<sup><xref rid="B14" ref-type="bibr">14</xref></sup></p>
      <p>A regi&#227;o Nordeste carece de estudos descritivos pormenorizados sobre suas caracter&#237;sticas epidemiol&#243;gicas. Com base no exposto, o presente estudo objetivou descrever o perfil sociodemogr&#225;fico e analisar tend&#234;ncia da taxa de mortalidade por DIC, segundo sexo e por faixa et&#225;ria, nos estados da regi&#227;o Nordeste do Brasil, de 1996 a 2016. Dessa forma, amplia-se o leque cient&#237;fico acerca de sua situa&#231;&#227;o em sa&#250;de e os determinantes sociais que a comp&#245;em.</p>
    </sec>
    <sec sec-type="methods">
      <title>M&#233;todos</title>
      <sec>
        <title>Desenho de estudo e fonte de dados</title>
        <p>Trata-se de estudo de s&#233;ries temporais envolvendo todos os &#243;bitos por DIC ocorridos no Nordeste brasileiro, no per&#237;odo de 1996 a 2016. Os registros dos &#243;bitos foram obtidos do Sistema de Informa&#231;&#245;es sobre Mortalidade (SIM) do Departamento de Inform&#225;tica do Sistema &#218;nico de Sa&#250;de do Minist&#233;rio da Sa&#250;de (http://www.datasus.gov.br/). No processo de coleta, foram considerados os c&#243;digos I20 a I25 da Classifica&#231;&#227;o Internacional de Doen&#231;as (CID-10): I20 &#8211; angina <italic>pectoris</italic>; I21 &#8211; infarto agudo do mioc&#225;rdio; I22 &#8211; infarto do mioc&#225;rdio recorrente; I23 &#8211; algumas complica&#231;&#245;es atuais subsequentes ao infarto agudo do mioc&#225;rdio; I24 &#8211; outras doen&#231;as isqu&#234;micas agudas do cora&#231;&#227;o; I25 &#8211; doen&#231;a isqu&#234;mica cr&#244;nica do cora&#231;&#227;o. Os dados populacionais necess&#225;rios para o c&#225;lculo dos indicadores foram coletados do IBGE, censo de 2010.</p>
      </sec>
      <sec>
        <title>&#193;rea de estudo</title>
        <p>A regi&#227;o Nordeste do Brasil &#233; composta por nove estados (Maranh&#227;o, Piau&#237;, Cear&#225;, Rio Grande do Norte, Para&#237;ba, Pernambuco, Alagoas, Sergipe e Bahia) e uma popula&#231;&#227;o estimada de 57 milh&#245;es de habitantes, o que corresponde a 28% da popula&#231;&#227;o nacional &#8211; segunda regi&#227;o mais populosa do Brasil.<sup><xref rid="B15" ref-type="bibr">15</xref></sup></p>
      </sec>
      <sec>
        <title>Vari&#225;veis de estudo</title>
        <p>Foram inclu&#237;das no estudo vari&#225;veis sociodemogr&#225;ficas (faixa et&#225;ria, escolaridade, estado civil, cor/ra&#231;a e unidades da federa&#231;&#227;o), categoria da classifica&#231;&#227;o internacional de doen&#231;as (CID-10) e as taxas brutas e padronizadas de mortalidade, segundo g&#234;nero e faixa et&#225;ria.</p>
        <p>Para o c&#225;lculo das taxas, foram utilizadas as seguintes equa&#231;&#245;es:</p>
        <list list-type="alpha-lower">
          <list-item>
            <p>Taxa de mortalidade anual = (n&#250;mero de &#243;bitos por DIC no local e ano / Popula&#231;&#227;o residente no local e ano) x 100 mil</p>
          </list-item>
          <list-item>
            <p>Taxa de mortalidade do per&#237;do = (M&#233;dia simples do n&#250;mero de &#243;bitos por DIC, do per&#237;odo, no local / Popula&#231;&#227;o residente no meio do per&#237;odo no local) x 100 mil</p>
          </list-item>
        </list>
        <p>Para a padroniza&#231;&#227;o das taxas de mortalidade, adotou-se o m&#233;todo direto, considerando como popula&#231;&#227;o padr&#227;o a brasileira do ano de 2010. Foram adotadas as seguintes faixas et&#225;rias no processo de padroniza&#231;&#227;o: 0 a 9 anos, 10 a 19 anos, 20 a 29 anos, 30 a 39 anos, 40 a 49 anos, 50 a 59 anos e 60 anos ou mais anos.</p>
      </sec>
      <sec>
        <title>Tratamento estat&#237;stico</title>
        <p>Inicialmente, as vari&#225;veis sociodemogr&#225;ficas foram analisadas com o emprego da estat&#237;stica descritiva simples (frequ&#234;ncias absoluta e relativa). A an&#225;lise temporal foi realizada com o emprego do modelo de regress&#227;o por pontos de inflex&#227;o (<italic>joinpoint regression model</italic>). O modelo analisa se uma linha com m&#250;ltiplos segmentos &#233; mais adequada para explicar o comportamento temporal de um conjunto de dados quando comparada com uma linha reta ou com menos segmentos. Dessa forma, a tend&#234;ncia de cada indicador &#233; classificada em estacion&#225;ria, crescente ou decrescente, conforme inclina&#231;&#227;o da reta de regress&#227;o. Foram calculadas a varia&#231;&#227;o percentual anual (APC, <italic>Annual Percent Change</italic>) e a varia&#231;&#227;o m&#233;dia do per&#237;odo (AAPC, <italic>Average Annual Percent Change</italic>).<sup><xref rid="B16" ref-type="bibr">16</xref></sup></p>
        <p>Na an&#225;lise, foram adotados os seguintes par&#226;metros: i) m&#237;nimo de zero <italic>joins</italic>, ii) m&#225;ximo de quatro <italic>joins</italic>, iii) sele&#231;&#227;o do modelo pelo teste de computa&#231;&#227;o de Monte Carlo (n= 4.499 permuta&#231;&#245;es), iv) m&#233;todo de autocorrela&#231;&#227;o dos erros baseado na data, v) intervalo de confian&#231;a de 95% (IC95%) e vi) n&#237;vel de signific&#226;ncia de 5%. Tais an&#225;lises foram realizadas com o aux&#237;lio do <italic>Joinpoint regression program</italic> (<italic>version</italic> 4.5.0.1<italic>, National Cancer Institute, Bethesda,</italic> MD, USA).</p>
      </sec>
      <sec>
        <title>Aspectos &#233;ticos</title>
        <p>O presente estudo utilizou dados secund&#225;rios de dom&#237;nio p&#250;blico, nos quais n&#227;o &#233; poss&#237;vel a identifica&#231;&#227;o dos sujeitos, raz&#227;o pela qual dispensou aprova&#231;&#227;o pelo comit&#234; de &#233;tica em pesquisa.</p>
      </sec>
    </sec>
    <sec sec-type="results">
      <title>Resultados</title>
      <p>No per&#237;odo de 1996 a 2016, foram registrados 405.916 &#243;bitos por DIC na regi&#227;o Nordeste do Brasil. Desses &#243;bitos, 56,42% (n=229.006) eram homens; 74,25% (n=301.379), idosos; 48,76% (n=197.936), pardos; 57,30%, (n=232.599) com ensino fundamental ou &lt;4 anos na escola; e 44,25% (n=179.599), casados. Destacou-se a propor&#231;&#227;o de campos ignorados nas vari&#225;veis escolaridade (33,54%), estado civil (8,95%) e ra&#231;a/cor (15,84%). Quanto &#224; causa do &#243;bito, 85,07% (n=345.329) decorreram de infarto agudo do mioc&#225;rdio (I21); 46,37% (n=188.217) dos &#243;bitos residiam nos estados de Pernambuco e da Bahia (<xref rid="t1" ref-type="table">Tabela 1</xref>).</p>
      <p>
        <table-wrap id="t1">
          <label>Tabela 1</label>
          <caption>
            <title>&#8211; Caracteriza&#231;&#227;o sociodemogr&#225;fica e categoria CID-10 dos &#243;bitos por doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC) ocorridas no Nordeste brasileiro, 1996-2016</title>
          </caption>
          <table frame="hsides" rules="groups">
            <colgroup>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
            </colgroup>
            <thead>
              <tr>
                <th align="left" rowspan="2">Vari&#225;vel</th>
                <th colspan="2">Masculino n=229006 (56,42%)</th>
                <th colspan="2">Feminino n=176766 (43,55%)</th>
                <th colspan="2">Ignorado n=144 (0,03%)</th>
                <th colspan="2">Total n=405916 (100%)</th>
              </tr>
              <tr>
                <th>n</th>
                <th>%</th>
                <th>n</th>
                <th>%</th>
                <th>n</th>
                <th>%</th>
                <th>n</th>
                <th>%</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>
                  <bold>Faixa et&#225;ria</bold>
                </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
              </tr>
              <tr>
                <td>&lt;10 anos</td>
                <td align="center">72</td>
                <td align="center">0,05</td>
                <td align="center">49</td>
                <td align="center">0,02</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">121</td>
                <td align="center">0,03</td>
              </tr>
              <tr>
                <td>10 a 19</td>
                <td align="center">469</td>
                <td align="center">0,20</td>
                <td align="center">215</td>
                <td align="center">0,12</td>
                <td align="center">1</td>
                <td align="center">0,70</td>
                <td align="center">685</td>
                <td align="center">0,17</td>
              </tr>
              <tr>
                <td>20 a 29</td>
                <td align="center">2197</td>
                <td align="center">0,96</td>
                <td align="center">815</td>
                <td align="center">0,46</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">3012</td>
                <td align="center">0,74</td>
              </tr>
              <tr>
                <td>30 a 39</td>
                <td align="center">7086</td>
                <td align="center">3,09</td>
                <td align="center">3197</td>
                <td align="center">1,81</td>
                <td align="center">3</td>
                <td align="center">2,08</td>
                <td align="center">10286</td>
                <td align="center">2,53</td>
              </tr>
              <tr>
                <td>40 a 49</td>
                <td align="center">19380</td>
                <td align="center">8,46</td>
                <td align="center">10763</td>
                <td align="center">6,09</td>
                <td align="center">14</td>
                <td align="center">9,72</td>
                <td align="center">30157</td>
                <td align="center">7,43</td>
              </tr>
              <tr>
                <td>50 a 59</td>
                <td align="center">38131</td>
                <td align="center">16,65</td>
                <td align="center">21493</td>
                <td align="center">12,16</td>
                <td align="center">17</td>
                <td align="center">11,81</td>
                <td align="center">59641</td>
                <td align="center">14,69</td>
              </tr>
              <tr>
                <td>60 anos ou mais</td>
                <td align="center">161295</td>
                <td align="center">70,43</td>
                <td align="center">139991</td>
                <td align="center">79,20</td>
                <td align="center">93</td>
                <td align="center">64,58</td>
                <td align="center">301379</td>
                <td align="center">74,25</td>
              </tr>
              <tr>
                <td>Ignorado</td>
                <td align="center">376</td>
                <td align="center">0,16</td>
                <td align="center">243</td>
                <td align="center">0,14</td>
                <td align="center">16</td>
                <td align="center">11,11</td>
                <td align="center">635</td>
                <td align="center">0,16</td>
              </tr>
              <tr>
                <td>
                  <bold>Cor/ra&#231;a</bold>
                </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
              </tr>
              <tr>
                <td>Branca</td>
                <td align="center">58574</td>
                <td align="center">25,58</td>
                <td align="center">53120</td>
                <td align="center">30,05</td>
                <td align="center">10</td>
                <td align="center">6,94</td>
                <td align="center">111704</td>
                <td align="center">27,52</td>
              </tr>
              <tr>
                <td>Preta</td>
                <td align="center">17345</td>
                <td align="center">7,57</td>
                <td align="center">11975</td>
                <td align="center">6,77</td>
                <td align="center">1</td>
                <td align="center">0,70</td>
                <td align="center">29321</td>
                <td align="center">7,22</td>
              </tr>
              <tr>
                <td>Amarela</td>
                <td align="center">1062</td>
                <td align="center">0,46</td>
                <td align="center">928</td>
                <td align="center">0,53</td>
                <td align="center">2</td>
                <td align="center">1,39</td>
                <td align="center">1992</td>
                <td align="center">0,49</td>
              </tr>
              <tr>
                <td>Parda</td>
                <td align="center">115714</td>
                <td align="center">50,53</td>
                <td align="center">82208</td>
                <td align="center">46,51</td>
                <td align="center">14</td>
                <td align="center">9,72</td>
                <td align="center">197936</td>
                <td align="center">48,76</td>
              </tr>
              <tr>
                <td>Ind&#237;gena</td>
                <td align="center">385</td>
                <td align="center">0,17</td>
                <td align="center">301</td>
                <td align="center">0,17</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">686</td>
                <td align="center">0,17</td>
              </tr>
              <tr>
                <td>Ignorado</td>
                <td align="center">35926</td>
                <td align="center">15,69</td>
                <td align="center">28234</td>
                <td align="center">15,97</td>
                <td align="center">117</td>
                <td align="center">81,25</td>
                <td align="center">64277</td>
                <td align="center">15,84</td>
              </tr>
              <tr>
                <td>
                  <bold>Escolaridade</bold>
                </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
              </tr>
              <tr>
                <td>Fundamental ou &lt;4 anos na escola</td>
                <td align="center">129138</td>
                <td align="center">56,39</td>
                <td align="center">103426</td>
                <td align="center">58,51</td>
                <td align="center">35</td>
                <td align="center">24,30</td>
                <td align="center">232599</td>
                <td align="center">57,30</td>
              </tr>
              <tr>
                <td>M&#233;dio</td>
                <td align="center">15866</td>
                <td align="center">6,93</td>
                <td align="center">9088</td>
                <td align="center">5,14</td>
                <td align="center">4</td>
                <td align="center">2,78</td>
                <td align="center">24958</td>
                <td align="center">6,15</td>
              </tr>
              <tr>
                <td>Superior</td>
                <td align="center">8303</td>
                <td align="center">3,62</td>
                <td align="center">3909</td>
                <td align="center">2,21</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">12212</td>
                <td align="center">3,01</td>
              </tr>
              <tr>
                <td>Ignorado</td>
                <td align="center">75699</td>
                <td align="center">33,06</td>
                <td align="center">60343</td>
                <td align="center">34,14</td>
                <td align="center">105</td>
                <td align="center">72,92</td>
                <td align="center">136147</td>
                <td align="center">33,54</td>
              </tr>
              <tr>
                <td>
                  <bold>Estado civil</bold>
                </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
              </tr>
              <tr>
                <td>Solteiro</td>
                <td align="center">45124</td>
                <td align="center">19,7</td>
                <td align="center">41989</td>
                <td align="center">23,75</td>
                <td align="center">21</td>
                <td align="center">14,58</td>
                <td align="center">87134</td>
                <td align="center">21,47</td>
              </tr>
              <tr>
                <td>Casado</td>
                <td align="center">125600</td>
                <td align="center">54,85</td>
                <td align="center">53953</td>
                <td align="center">30,52</td>
                <td align="center">46</td>
                <td align="center">31,94</td>
                <td align="center">179599</td>
                <td align="center">44,25</td>
              </tr>
              <tr>
                <td>Vi&#250;vo</td>
                <td align="center">26413</td>
                <td align="center">11,53</td>
                <td align="center">58356</td>
                <td align="center">33,01</td>
                <td align="center">26</td>
                <td align="center">18,06</td>
                <td align="center">84795</td>
                <td align="center">20,89</td>
              </tr>
              <tr>
                <td>Separado judicialmente</td>
                <td align="center">6930</td>
                <td align="center">3,03</td>
                <td align="center">3642</td>
                <td align="center">2,06</td>
                <td align="center">1</td>
                <td align="center">0,70</td>
                <td align="center">10573</td>
                <td align="center">2,60</td>
              </tr>
              <tr>
                <td>Outro</td>
                <td align="center">5254</td>
                <td align="center">2,29</td>
                <td align="center">2228</td>
                <td align="center">1,27</td>
                <td align="center">2</td>
                <td align="center">1,39</td>
                <td align="center">7484</td>
                <td align="center">1,84</td>
              </tr>
              <tr>
                <td>Ignorado</td>
                <td align="center">19685</td>
                <td align="center">8,60</td>
                <td align="center">16598</td>
                <td align="center">9,39</td>
                <td align="center">48</td>
                <td align="center">33,33</td>
                <td align="center">36331</td>
                <td align="center">8,95</td>
              </tr>
              <tr>
                <td>
                  <bold>Categoria CID-10</bold>
                </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
              </tr>
              <tr>
                <td>I20</td>
                <td align="center">885</td>
                <td align="center">0,39</td>
                <td align="center">875</td>
                <td align="center">0,5</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">1760</td>
                <td align="center">0,43</td>
              </tr>
              <tr>
                <td>I21</td>
                <td align="center">196621</td>
                <td align="center">85,86</td>
                <td align="center">148585</td>
                <td align="center">84,06</td>
                <td align="center">123</td>
                <td align="center">85,42</td>
                <td align="center">345329</td>
                <td align="center">85,07</td>
              </tr>
              <tr>
                <td>I22</td>
                <td align="center">591</td>
                <td align="center">0,25</td>
                <td align="center">386</td>
                <td align="center">0,21</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">977</td>
                <td align="center">0,25</td>
              </tr>
              <tr>
                <td>I23</td>
                <td align="center">3</td>
                <td align="center">&lt;0,01</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">0</td>
                <td align="center">0,00</td>
                <td align="center">3</td>
                <td align="center">&lt;0,01</td>
              </tr>
              <tr>
                <td>I24</td>
                <td align="center">6745</td>
                <td align="center">2,95</td>
                <td align="center">6320</td>
                <td align="center">3,58</td>
                <td align="center">7</td>
                <td align="center">4,86</td>
                <td align="center">13072</td>
                <td align="center">3,22</td>
              </tr>
              <tr>
                <td>I25</td>
                <td align="center">24161</td>
                <td align="center">10,55</td>
                <td align="center">20600</td>
                <td align="center">11,65</td>
                <td align="center">14</td>
                <td align="center">9,72</td>
                <td align="center">44775</td>
                <td align="center">11,03</td>
              </tr>
              <tr>
                <td>
                  <bold>Estados</bold>
                </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
                <td> </td>
              </tr>
              <tr>
                <td>Maranh&#227;o</td>
                <td align="center">21847</td>
                <td align="center">9,54</td>
                <td align="center">13792</td>
                <td align="center">7,8</td>
                <td align="center">24</td>
                <td align="center">16,67</td>
                <td align="center">35663</td>
                <td align="center">8,79</td>
              </tr>
              <tr>
                <td>Piau&#237;</td>
                <td align="center">14539</td>
                <td align="center">6,35</td>
                <td align="center">9446</td>
                <td align="center">5,34</td>
                <td align="center">16</td>
                <td align="center">11,11</td>
                <td align="center">24001</td>
                <td align="center">5,91</td>
              </tr>
              <tr>
                <td>Cear&#225;</td>
                <td align="center">33500</td>
                <td align="center">14,63</td>
                <td align="center">26623</td>
                <td align="center">15,06</td>
                <td align="center">26</td>
                <td align="center">18,06</td>
                <td align="center">60149</td>
                <td align="center">14,82</td>
              </tr>
              <tr>
                <td>Rio Grande do Norte</td>
                <td align="center">17347</td>
                <td align="center">7,57</td>
                <td align="center">13335</td>
                <td align="center">7,54</td>
                <td align="center">4</td>
                <td align="center">2,78</td>
                <td align="center">30686</td>
                <td align="center">7,56</td>
              </tr>
              <tr>
                <td>Para&#237;ba</td>
                <td align="center">18825</td>
                <td align="center">8,22</td>
                <td align="center">14945</td>
                <td align="center">8,45</td>
                <td align="center">11</td>
                <td align="center">7,64</td>
                <td align="center">33781</td>
                <td align="center">8,32</td>
              </tr>
              <tr>
                <td>Pernambuco</td>
                <td align="center">59385</td>
                <td align="center">25,93</td>
                <td align="center">48909</td>
                <td align="center">27,67</td>
                <td align="center">34</td>
                <td align="center">23,61</td>
                <td align="center">108328</td>
                <td align="center">26,69</td>
              </tr>
              <tr>
                <td>Alagoas</td>
                <td align="center">11957</td>
                <td align="center">5,22</td>
                <td align="center">9034</td>
                <td align="center">5,11</td>
                <td align="center">2</td>
                <td align="center">1,38</td>
                <td align="center">20993</td>
                <td align="center">5,17</td>
              </tr>
              <tr>
                <td>Sergipe</td>
                <td align="center">6797</td>
                <td align="center">2,97</td>
                <td align="center">5624</td>
                <td align="center">3,20</td>
                <td align="center">5</td>
                <td align="center">3,47</td>
                <td align="center">12426</td>
                <td align="center">3,06</td>
              </tr>
              <tr>
                <td>Bahia</td>
                <td align="center">44809</td>
                <td align="center">19,57</td>
                <td align="center">35058</td>
                <td align="center">19,83</td>
                <td align="center">22</td>
                <td align="center">15,28</td>
                <td align="center">79889</td>
                <td align="center">19,68</td>
              </tr>
            </tbody>
          </table>
          <table-wrap-foot>
            <fn id="TFN1">
              <p>
                <italic>I20 &#8211; angina pectoris; I21 &#8211; infarto agudo do mioc&#225;rdio; I22 &#8211; infarto do mioc&#225;rdio recorrente; I23 &#8211; algumas complica&#231;&#245;es atuais subsequentes ao infarto agudo do mioc&#225;rdio; I24 &#8211; outras doen&#231;as isqu&#234;micas agudas do cora&#231;&#227;o; I25 &#8211; doen&#231;a isqu&#234;mica cr&#244;nica do cora&#231;&#227;o.</italic>
              </p>
            </fn>
          </table-wrap-foot>
        </table-wrap>
      </p>
      <p>A taxa de mortalidade regional padronizada passou de 30,7/100 mil habitantes em 1996 para 53,8/100 mil em 2016 (AAPC 2,8%; IC95%: 1,9 a 3,7; p&lt;0,01). Todos os nove estados apresentaram tend&#234;ncia significativa de crescimento, destacando-se o estado do Maranh&#227;o, cuja taxa passou de 14,8/100 mil em 1996 para 64,0/100 mil habitantes em 2016 (AAPC 7,6%; IC95%: 5,7 a 9,6; p&lt;0,01), seguido do Piau&#237;, no qual a taxa ascendeu de 18,7/100 mil em 1996 para 61,5/100 mil habitantes em 2016 (AAPC 6,0%; IC95%: 4,3 a 7,8; p&lt;0,01). Pernambuco destacou-se com maior n&#250;mero de segmentos temporais, com quatro inflex&#245;es, cinco segmentos temporais e AAPC igual a 1,2% (IC95%: 0,0 a 2,5; p&lt;0,01). Os estados do Rio Grande do Norte e de Alagoas apresentaram tend&#234;ncia linear de crescimento da mortalidade (2,2% no Rio Grande do Norte e 3,6% em Alagoas) (<xref rid="f01" ref-type="fig">Figura 1</xref>).</p>
      <p>
        <fig id="f01">
          <label>Figura 1</label>
          <caption>
            <title>&#8211; Tend&#234;ncia temporal da taxa de mortalidade padronizada por doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC), segundo estado de resid&#234;ncia. Nordeste, Brasil, 1996-2016. APC: Annual Percent Change. AAPC: Average Annual Percent Change. * Valores de intervalo de confian&#231;a foram suprimidos da ilustra&#231;&#227;o para melhor visualiza&#231;&#227;o e entendimento das linhas de tend&#234;ncia.</title>
          </caption>
          <graphic xlink:href="1678-4170-abc-117-01-0051-00222-gf01.tif"/></fig>
      </p>
      <p>A taxa de mortalidade m&#233;dia no sexo masculino (42,05/100 mil) foi 32% maior que no feminino (31,6/100 mil), ainda que com o mesmo percentual de varia&#231;&#227;o m&#233;dio (AAPC 4,4%; IC95%: 3,4 a 5,4; p&lt;0,01). A faixa et&#225;ria de adolescentes apresentou o maior aumento percentual m&#233;dio do per&#237;odo (AAPC: 5,2%, p&lt;0,01) (<xref rid="t2" ref-type="table">Tabela 2</xref>). Todos os estados apresentaram tend&#234;ncia de crescimento em ambos os sexos, destacando-se o Maranh&#227;o (AAPC 8,7% para o masculino e 9,3% para o feminino) e o Piau&#237; (AAPC 7,9% para o masculino e 8,4% para o feminino) (<xref rid="t3" ref-type="table">Tabela 3</xref>).</p>
      <p>
        <table-wrap id="t2">
          <label>Tabela 2</label>
          <caption>
            <title>&#8211; Tend&#234;ncia temporal da taxa de mortalidade bruta por doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC), segundo sexo e faixa et&#225;ria. Nordeste, Brasil, 1996-2016</title>
          </caption>
          <table frame="hsides" rules="groups">
            <colgroup>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
            </colgroup>
            <thead>
              <tr>
                <th align="left" rowspan="2">Vari&#225;vel</th>
                <th colspan="3">Taxa de mortalidade/100 mil</th>
                <th colspan="3">Tend&#234;ncia</th>
              </tr>
              <tr>
                <th>1996</th>
                <th>2016</th>
                <th>1996-2016</th>
                <th>Per&#237;odo</th>
                <th>APC (IC95%; p valor)</th>
                <th>AAPC (IC95%; p valor)</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>
                  <bold>Sexo</bold>
                </td>
                <td colspan="6"> </td>
              </tr>
              <tr>
                <td rowspan="3">Masculino</td>
                <td align="center" rowspan="3">25,52</td>
                <td align="center" rowspan="3">60,88</td>
                <td align="center" rowspan="3">42,05</td>
                <td align="center">1996-2004</td>
                <td align="center">3,7% (3,0 a 4,5; p&lt;0,01)</td>
                <td align="center" rowspan="3">4,4% (3,4 a 5,4; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2004-2007</td>
                <td align="center">10,6% (3,4 a 18,3; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2007-2016</td>
                <td align="center">3,0% (2,4 a 3,6; p&lt;0,01)</td>
              </tr>
              <tr>
                <td rowspan="3">Feminino</td>
                <td align="center" rowspan="3">18,78</td>
                <td align="center" rowspan="3">44,24</td>
                <td align="center" rowspan="3">31,69</td>
                <td align="center">1996-2003</td>
                <td align="center">4,0% (3,1 a 5,0; p&lt;0,01)</td>
                <td align="center" rowspan="3">4,4% (3,6 a 5,2; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2003-2007</td>
                <td align="center">9,2% (5,5 a 13,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2007-2016</td>
                <td align="center">2,6% (2,0 a 3,2; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>
                  <bold>Faixa Et&#225;ria</bold>
                </td>
                <td colspan="6"> </td>
              </tr>
              <tr>
                <td>0 a 9</td>
                <td align="center">0,01</td>
                <td align="center">0,10</td>
                <td align="center">0,05</td>
                <td align="center">-</td>
                <td align="center">-</td>
                <td align="center">-</td>
              </tr>
              <tr>
                <td>10 a 19</td>
                <td align="center">0,21</td>
                <td align="center">0,39</td>
                <td align="center">0,31</td>
                <td align="center">1996-2016</td>
                <td align="center">5,2% (3,0 a 7,5; p&lt;0,01)</td>
                <td align="center">5,2% (3,0 a 7,5; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>20 a 29</td>
                <td align="center">1,00</td>
                <td align="center">1,96</td>
                <td align="center">1,42</td>
                <td align="center">1996-2016</td>
                <td align="center">2,8% (2,0 a 3,6; p&lt;0,01)</td>
                <td align="center">2,8% (2,0 a 3,6; p&lt;0,01)</td>
              </tr>
              <tr>
                <td rowspan="3">30 a 39</td>
                <td align="center" rowspan="3">5,79</td>
                <td align="center" rowspan="3">7,18</td>
                <td align="center" rowspan="3">6,66</td>
                <td align="center">1996-2003</td>
                <td align="center">-1,5% (-3,5 a 0,5; p=0,2)</td>
                <td align="center" rowspan="3">0,9% (-0,8 a 2,5; p=0,4)</td>
              </tr>
              <tr>
                <td align="center">2003-2007</td>
                <td align="center">6,8% (-1,1 a 15,4; p=0,3)</td>
              </tr>
              <tr>
                <td align="center">2007-2016</td>
                <td align="center">0,2% (-1,2 a 1,6; p=0,2)</td>
              </tr>
              <tr>
                <td rowspan="4">40 a 49</td>
                <td align="center" rowspan="4">20,44</td>
                <td align="center" rowspan="4">26,84</td>
                <td align="center" rowspan="4">25,38</td>
                <td align="center">1996-1998</td>
                <td align="center">9,8% (1,1 a 19,2; p&lt;0,01)</td>
                <td align="center" rowspan="4">1,5% (0,1 a 2,9; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">1998-2001</td>
                <td align="center">-4,6% (-12,1 a 3,6; p=0,2)</td>
              </tr>
              <tr>
                <td align="center">2001-2008</td>
                <td align="center">4,4% (3,0 a 5,9; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2008-2016</td>
                <td align="center">-0,7% (-1,6 a 0,2; p=0,2)</td>
              </tr>
              <tr>
                <td rowspan="2">50 a 59</td>
                <td align="center" rowspan="2">52,99</td>
                <td align="center" rowspan="2">78,25</td>
                <td align="center" rowspan="2">74,40</td>
                <td align="center">1996-2008</td>
                <td align="center">3,3% (2,7 a 3,9; p&lt;0,01)</td>
                <td align="center" rowspan="2">1,6% (1,1 a 2,2; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2008-2016</td>
                <td align="center">-0,7% (-1,8 a 0,3; p=0,3)</td>
              </tr>
              <tr>
                <td rowspan="3">60 ou mais</td>
                <td align="center" rowspan="3">202,03</td>
                <td align="center" rowspan="3">382,28</td>
                <td align="center" rowspan="3">323,15</td>
                <td align="center">1996-2003</td>
                <td align="center">3,3% (2,2 a 4,3; p&lt;0,01)</td>
                <td align="center" rowspan="3">3,3% (2,5 a 4,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2003-2007</td>
                <td align="center">8,5% (4,6 a 12,6; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2007-2016</td>
                <td align="center">1,0% (0,4 a 1,7; p&lt;0,01)</td>
              </tr>
              <tr>
                <td rowspan="3">Popula&#231;&#227;o geral</td>
                <td align="center" rowspan="3">22,14</td>
                <td align="center" rowspan="3">52,40</td>
                <td align="center" rowspan="3">36,82</td>
                <td align="center">1996-2004</td>
                <td align="center">4,0% (3,3 a 4,7; p&lt;0,01)</td>
                <td align="center" rowspan="3">4,4% (3,5 a 5,3; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2004-2007</td>
                <td align="center">10,5% (3,9 a 17,4; p&lt;0,01)</td>
              </tr>
              <tr>
                <td align="center">2007-2016</td>
                <td align="center">2,8% (2,2 a 3,4; p&lt;0,01)</td>
              </tr>
            </tbody>
          </table>
          <table-wrap-foot>
            <fn id="TFN2">
              <p>
                <italic>APC: Annual Percent Change. AAPC: Average Annual Percent Change.</italic>
              </p>
            </fn>
          </table-wrap-foot>
        </table-wrap>
      </p>
      <p>
        <table-wrap id="t3">
          <label>Tabela 3</label>
          <caption>
            <title>&#8211; Percentual de varia&#231;&#227;o m&#233;dio (AAPC) da taxa de mortalidade por doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC), segundo sexo e estado de resid&#234;ncia. Nordeste, Brasil, 1996-2016</title>
          </caption>
          <table frame="hsides" rules="groups">
            <colgroup>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
            </colgroup>
            <thead>
              <tr>
                <th align="left" rowspan="2">Estado</th>
                <th colspan="3">Masculino</th>
                <th colspan="3">Feminino</th>
              </tr>
              <tr>
                <th>1996</th>
                <th>2016</th>
                <th>AAPC (IC95%; p valor)</th>
                <th>1996</th>
                <th>2016</th>
                <th>AAPC (IC95%; p valor)</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>Maranh&#227;o</td>
                <td align="center">12,06</td>
                <td align="center">62,75</td>
                <td align="center">8,7% (7,0 a 10,5; p&lt;0,01)</td>
                <td align="center">6,20</td>
                <td align="center">38,89</td>
                <td align="center">9,3% (7,1 a 11,7; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Piau&#237;</td>
                <td align="center">16,16</td>
                <td align="center">75,49</td>
                <td align="center">7,9% (4,4 a 11,5; p&lt;0,01)</td>
                <td align="center">9,98</td>
                <td align="center">45,16</td>
                <td align="center">8,4% (7,3 a 9,5; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Cear&#225;</td>
                <td align="center">20,65</td>
                <td align="center">56,89</td>
                <td align="center">5,1% (4,5 a 5,8; p&lt;0,01)</td>
                <td align="center">15,55</td>
                <td align="center">41,70</td>
                <td align="center">5,0% (3,9 a 5,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Rio Grande do Norte</td>
                <td align="center">39,61</td>
                <td align="center">74,56</td>
                <td align="center">3,5% (3,1 a 3,9; p&lt;0,01)</td>
                <td align="center">27,88</td>
                <td align="center">53,24</td>
                <td align="center">3,9% (3,4 a 4,4; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Para&#237;ba</td>
                <td align="center">20,88</td>
                <td align="center">78,08</td>
                <td align="center">6,8% (5,5 a 8,1; p&lt;0,01)</td>
                <td align="center">15,53</td>
                <td align="center">60,00</td>
                <td align="center">7,1% (5,2 a 9,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Pernambuco</td>
                <td align="center">49,59</td>
                <td align="center">85,82</td>
                <td align="center">2,4% (1,5 a 3,3; p&lt;0,01)</td>
                <td align="center">36,93</td>
                <td align="center">64,36</td>
                <td align="center">2,3% (1,3 a 3,3; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Alagoas</td>
                <td align="center">23,73</td>
                <td align="center">61,02</td>
                <td align="center">4,7% (3,1 a 6,3; p&lt;0,01)</td>
                <td align="center">15,95</td>
                <td align="center">47,96</td>
                <td align="center">5,3% (4,5 a 6,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Sergipe</td>
                <td align="center">19,25</td>
                <td align="center">42,47</td>
                <td align="center">4,4% (3,1 a 5,7; p&lt;0,01)</td>
                <td align="center">18,58</td>
                <td align="center">35,80</td>
                <td align="center">2,7% (0,5 a 4,9; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>Bahia</td>
                <td align="center">21,35</td>
                <td align="center">39,39</td>
                <td align="center">3,6% (3,2 a 4,1; p&lt;0,01)</td>
                <td align="center">16,32</td>
                <td align="center">29,05</td>
                <td align="center">3,6% (2,7 a 4,4; p&lt;0,01)</td>
              </tr>
            </tbody>
          </table>
          <table-wrap-foot>
            <fn id="TFN3">
              <p>
                <italic>APC: Annual Percent Change. AAPC: Average Annual Percent Change.</italic>
              </p>
            </fn>
          </table-wrap-foot>
        </table-wrap>
      </p>
      <p>Na estratifica&#231;&#227;o segundo faixa et&#225;ria, o modelo de regress&#227;o apontou tend&#234;ncia de crescimento da mortalidade em todos os segmentos et&#225;rios, com exce&#231;&#227;o do grupo com idade entre 30 e 39 anos (AAPC 0,9%; IC95%: -0,8 a 2,5; p=0,4) (<xref rid="t2" ref-type="table">Tabela 2</xref>). A taxa de mortalidade regional em indiv&#237;duos com 60 anos ou mais passou de 202,0/100 mil em 1996 para 382,3/100 mil habitantes em 2016, com crescimento m&#233;dio anual de 3,3% (IC95%: 2,5 a 4,1; p&lt;0,01). A faixa et&#225;ria de 60 anos ou mais foi a &#250;nica com crescimento estatisticamente significativo em todos os estados, destacando-se os estados do Maranh&#227;o (AAPC 8,4%; IC95%: 6,3 a 10,5; p&lt;0,01) e do Piau&#237; (AAPC 6,5%; IC 95%: 5,3 a 7,7; p&lt;0,01) (<xref rid="t4" ref-type="table">Tabela 4</xref>).</p>
      <p>
        <table-wrap id="t4">
          <label>Tabela 4</label>
          <caption>
            <title>&#8211; Percentual de varia&#231;&#227;o m&#233;dio (AAPC) da taxa de mortalidade bruta por doen&#231;as isqu&#234;micas do cora&#231;&#227;o (DIC), segundo faixa et&#225;ria e estado de resid&#234;ncia. Nordeste, Brasil, 1996-2016</title>
          </caption>
          <table frame="hsides" rules="groups">
            <colgroup>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
              <col/>
            </colgroup>
            <tbody>
              <tr>
                <td align="left" rowspan="3">
                  <bold>Faixa et&#225;ria</bold>
                </td>
                <td colspan="3" align="center">
                  <bold>Maranh&#227;o</bold>
                </td>
                <td colspan="3" align="center">
                  <bold>Piau&#237;</bold>
                </td>
                <td colspan="3" align="center">
                  <bold>Cear&#225;</bold>
                </td>
              </tr>
              <tr>
                <td colspan="2" align="center">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
                <td colspan="2" align="center">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
                <td colspan="2" align="center">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
              </tr>
              <tr>
                <td>0 a 9</td>
                <td align="center">0,00</td>
                <td align="center">0,14</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,19</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,07</td>
                <td align="center">-</td>
              </tr>
              <tr>
                <td>10 a 19</td>
                <td align="center">0,00</td>
                <td align="center">0,50</td>
                <td align="center">-</td>
                <td align="center">0,15</td>
                <td align="center">0,84</td>
                <td align="center">7,0% (2,9 a 11,3; p&lt;0,01)</td>
                <td align="center">0,51</td>
                <td align="center">0,56</td>
                <td align="center">4,9% (-0,3 a 10,4; p=0,5)</td>
              </tr>
              <tr>
                <td>20 a 29</td>
                <td align="center">0,12</td>
                <td align="center">3,25</td>
                <td align="center">9,0% (4,9 a 13,2; p&lt;0,01)</td>
                <td align="center">0,93</td>
                <td align="center">3,42</td>
                <td align="center">6,2% (3,6 a 8,9; p&lt;0,01)</td>
                <td align="center">1,16</td>
                <td align="center">1,39</td>
                <td align="center">0,7% (-0,6 a 2,1; p=0,3)</td>
              </tr>
              <tr>
                <td>30 a 39</td>
                <td align="center">3,17</td>
                <td align="center">11,62</td>
                <td align="center">5,8% (4,7 a 7,0; p&lt;0,01)</td>
                <td align="center">6,09</td>
                <td align="center">10,00</td>
                <td align="center">3,5% (2,0 a 5,1; p&lt;0,01)</td>
                <td align="center">5,80</td>
                <td align="center">5,31</td>
                <td align="center">0,8% (-0,3 a 1,9; p=0,3)</td>
              </tr>
              <tr>
                <td>40 a 49</td>
                <td align="center">10,46</td>
                <td align="center">35,96</td>
                <td align="center">6,1% (1,5 a 11,0; p&lt;0,01)</td>
                <td align="center">14,71</td>
                <td align="center">31,10</td>
                <td align="center">3,5% (2,5 a 4,5; p&lt;0,01)</td>
                <td align="center">15,29</td>
                <td align="center">20,40</td>
                <td align="center">2,1% (1,2 a 3,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>50 a 59</td>
                <td align="center">29,12</td>
                <td align="center">90,17</td>
                <td align="center">5,7% (3,2 a 8,1; p&lt;0,01)</td>
                <td align="center">34,61</td>
                <td align="center">87,61</td>
                <td align="center">3,5% (1,4 a 5,6; p&lt;0,01)</td>
                <td align="center">38,07</td>
                <td align="center">66,06</td>
                <td align="center">1,9% (0,5 a 3,4; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>60 +</td>
                <td align="center">94,19</td>
                <td align="center">446,37</td>
                <td align="center">8,4% (6,3 a 10,5; p&lt;0,01)</td>
                <td align="center">114,40</td>
                <td align="center">432,41</td>
                <td align="center">6,5% (5,3 a 7,7; p&lt;0,01)</td>
                <td align="center">157,12</td>
                <td align="center">361,26</td>
                <td align="center">3,9% (2,8 a 5,1; p&lt;0,01)</td>
              </tr>
              <tr>
                <td rowspan="3">
                  <bold>Faixa et&#225;ria</bold>
                </td>
                <td align="center" colspan="3">
                  <bold>Rio Grande do Norte</bold>
                </td>
                <td align="center" colspan="3">
                  <bold>Para&#237;ba</bold>
                </td>
                <td align="center" colspan="3">
                  <bold>Pernambuco</bold>
                </td>
              </tr>
              <tr>
                <td align="center" colspan="2">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
                <td align="center" colspan="2">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
                <td align="center" colspan="2">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
              </tr>
              <tr>
                <td>0 a 9</td>
                <td align="center">0,18</td>
                <td align="center">0,00</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,16</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,07</td>
                <td align="center">-</td>
              </tr>
              <tr>
                <td>10 a 19</td>
                <td align="center">0,34</td>
                <td align="center">0,34</td>
                <td align="center">-</td>
                <td align="center">0,51</td>
                <td align="center">0,15</td>
                <td align="center">-</td>
                <td align="center">0,23</td>
                <td align="center">0,54</td>
                <td align="center">4,5% (0,9 a 8,3; p&lt;0,01)</td>
              </tr>
              <tr>
                <td>20 a 29</td>
                <td align="center">1,14</td>
                <td align="center">1,83</td>
                <td align="center">4,7% (0,8 a 8,7; p&lt;0,01)</td>
                <td align="center">0,92</td>
                <td align="center">2,42</td>
                <td align="center">5,1% (2,7 a 7,5; p&lt;0,01)</td>
                <td align="center">2,10</td>
                <td align="center">2,75</td>
                <td align="center">1,5% (-0,3 a 3,2; p=0,4)</td>
              </tr>
              <tr>
                <td>30 a 39</td>
                <td align="center">7,16</td>
                <td align="center">7,45</td>
                <td align="center">2,0% (0,2 a 3,7; p&lt;0,01)</td>
                <td align="center">4,12</td>
                <td align="center">7,30</td>
                <td align="center">4,7% (3,5 a 5,9; p&lt;0,01)</td>
                <td align="center">9,65</td>
                <td align="center">9,13</td>
                <td align="center">-1,1% (-5,9 a 4,1; p=0,4)</td>
              </tr>
              <tr>
                <td>40 a 49</td>
                <td align="center">23,52</td>
                <td align="center">28,02</td>
                <td align="center">1,1% (0,2 a 2,0; p&lt;0,01)</td>
                <td align="center">14,54</td>
                <td align="center">34,14</td>
                <td align="center">4,2% (1,4 a 7,1; p&lt;0,01)</td>
                <td align="center">33,08</td>
                <td align="center">35,25</td>
                <td align="center">-0,2% (-3,3 a 3,0; p=0,2)</td>
              </tr>
              <tr>
                <td>50 a 59</td>
                <td align="center">69,14</td>
                <td align="center">88,46</td>
                <td align="center">1,3% (0,4 a 2,2; p&lt;0,01)</td>
                <td align="center">31,84</td>
                <td align="center">84,49</td>
                <td align="center">5,7% (3,9 a 7,4; p&lt;0,01)</td>
                <td align="center">98,89</td>
                <td align="center">114,28</td>
                <td align="center">0,6% (-0,8 a 2,0; p=0,2)</td>
              </tr>
              <tr>
                <td>60 +</td>
                <td align="center">298,31</td>
                <td align="center">452,97</td>
                <td align="center">2,4% (1,8 a 3,0; p&lt;0,01)</td>
                <td align="center">138,19</td>
                <td align="center">469,44</td>
                <td align="center">6,3% (4,8 a 7,7; p&lt;0,01)</td>
                <td align="center">378,85</td>
                <td align="center">520,30</td>
                <td align="center">1,2% (0,4 a 1,9; p&lt;0,01)</td>
              </tr>
              <tr>
                <td rowspan="3">
                  <bold>Faixa et&#225;ria</bold>
                </td>
                <td align="center" colspan="3">
                  <bold>Alagoas</bold>
                </td>
                <td align="center" colspan="3">
                  <bold>Sergipe</bold>
                </td>
                <td align="center" colspan="3">
                  <bold>Bahia</bold>
                </td>
              </tr>
              <tr>
                <td align="center" colspan="2">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
                <td align="center" colspan="2">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
                <td align="center" colspan="2">
                  <bold>Taxas</bold>
                </td>
                <td align="center">
                  <bold>AAPC</bold>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
                <td align="center">
                  <bold>1996</bold>
                </td>
                <td align="center">
                  <bold>2016</bold>
                </td>
                <td align="center">
                  <bold>(IC95%)</bold>
                </td>
              </tr>
              <tr>
                <td>0 a 9</td>
                <td align="center">0,00</td>
                <td align="center">0,17</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,00</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,08</td>
                <td align="center">-</td>
              </tr>
              <tr>
                <td>10 a 19</td>
                <td align="center">0,00</td>
                <td align="center">0,15</td>
                <td align="center">-</td>
                <td align="center">0,00</td>
                <td align="center">0,00</td>
                <td align="center">-</td>
                <td align="center">0,13</td>
                <td align="center">0,23</td>
                <td align="center">-</td>
              </tr>
              <tr>
                <td>20 a 29</td>
                <td align="center">0,66</td>
                <td align="center">2,13</td>
                <td align="center">3,2% (0,7 a 5,7; p&lt;0,01)</td>
                <td align="center">0,35</td>
                <td align="center">0,50</td>
                <td align="center">-2,9% (-7,1 a 1,5; p=0,4)</td>
                <td align="center">0,75</td>
                <td align="center">0,99</td>
                <td align="center">0,8% (-0,7 a 2,3; p=0,6)</td>
              </tr>
              <tr>
                <td>30 a 39</td>
                <td align="center">6,73</td>
                <td align="center">5,34</td>
                <td align="center">-0,8% (-2,3 a 0,6; p=0,2)</td>
                <td align="center">5,59</td>
                <td align="center">4,21</td>
                <td align="center">1,1% (-0,9 a 3,1; p=0,3)</td>
                <td align="center">4,31</td>
                <td align="center">5,34</td>
                <td align="center">0,4% (-0,5 a 1,2; p=0,6)</td>
              </tr>
              <tr>
                <td>40 a 49</td>
                <td align="center">31,05</td>
                <td align="center">36,91</td>
                <td align="center">0,3% (-2,2 a 2,9; p=0,2)</td>
                <td align="center">12,47</td>
                <td align="center">26,10</td>
                <td align="center">2,9% (-0,3 a 6,1; p=0,3)</td>
                <td align="center">20,10</td>
                <td align="center">16,87</td>
                <td align="center">-0,1% (-0,8 a 0,6; p=0,7)</td>
              </tr>
              <tr>
                <td>50 a 59</td>
                <td align="center">61,26</td>
                <td align="center">95,11</td>
                <td align="center">1,6% (-1,6 a 4,8; p=0,3)</td>
                <td align="center">55,05</td>
                <td align="center">67,15</td>
                <td align="center">1,6% (0,6 a 2,7; p&lt;0,01)</td>
                <td align="center">45,72</td>
                <td align="center">50,89</td>
                <td align="center">0,3% (-0,7 a 1,3; p=0,2)</td>
              </tr>
              <tr>
                <td>60 +</td>
                <td align="center">182,72</td>
                <td align="center">428,16</td>
                <td align="center">4,3% (3,8 a 4,9; p&lt;0,01)</td>
                <td align="center">177,36</td>
                <td align="center">308,36</td>
                <td align="center">2,9% (1,7 a 4,0; p&lt;0,01)</td>
                <td align="center">177,50</td>
                <td align="center">236,80</td>
                <td align="center">2,2% (1,7 a 2,7; p&lt;0,01)</td>
              </tr>
            </tbody>
          </table>
          <table-wrap-foot>
            <fn id="TFN4">
              <p>
                <italic>APC: Annual Percent Change. AAPC: Average Annual Percent Change.</italic>
              </p>
            </fn>
          </table-wrap-foot>
        </table-wrap>
      </p>
      <p>Por fim, observou-se diverg&#234;ncia na tend&#234;ncia segundo faixa et&#225;ria ao comparar os estados. No Piau&#237;, por exemplo, houve crescimento em todas as faixas a partir dos 10 anos de idade; ao passo que, na Bahia, o crescimento foi observado apenas em idosos (60 anos ou mais) (<xref rid="t4" ref-type="table">Tabela 4</xref>).</p>
    </sec>
    <sec sec-type="discussion">
      <title>Discuss&#227;o</title>
      <p>Este trabalho analisou o perfil sociodemogr&#225;fico e o comportamento temporal da mortalidade por DIC na regi&#227;o Nordeste do Brasil no per&#237;odo de 1996 a 2016. O perfil dos &#243;bitos caracterizou-se pelo predom&#237;nio do sexo masculino, acometimento de idosos, ra&#231;a/cor parda e baixa escolaridade. A an&#225;lise temporal demonstrou crescimento da taxa de mortalidade na regi&#227;o e em todos os estados, com destaque para o Maranh&#227;o e o Piau&#237;.</p>
      <p>O perfil observado neste estudo est&#225; em conson&#226;ncia com a literatura.<sup><xref rid="B1" ref-type="bibr">1</xref>,<xref rid="B7" ref-type="bibr">7</xref>,<xref rid="B17" ref-type="bibr">17</xref>-<xref rid="B20" ref-type="bibr">20</xref></sup> O processo de envelhecimento da popula&#231;&#227;o traz consigo uma amplia&#231;&#227;o dos fatores de risco para DCV, destacando-se as dislipidemias, a obesidade e a HAS.<sup><xref rid="B2" ref-type="bibr">2</xref></sup> Estudo realizado no munic&#237;pio de S&#227;o Paulo aponta que a raz&#227;o de chance de desenvolver DCV &#233; maior em diab&#233;ticos (<italic>odds ratio</italic> [OR] 1,90), tabagistas (OR 1,49), indiv&#237;duos com sobrepeso (OR 1,57) e hipertensos (OR 2,22).<sup><xref rid="B20" ref-type="bibr">20</xref></sup> Estima-se que a preval&#234;ncia de HAS em idosos seja seis a oito vezes superior &#224; de adultos jovens, justificada pelo controle press&#243;rico deficit&#225;rio, em raz&#227;o da cronicidade da doen&#231;a e sensibilidade e restri&#231;&#245;es na terapia farmacol&#243;gica. Em estudo realizado em Goi&#226;nia/GO, 912 indiv&#237;duos com HAS foram entrevistados, 72,6% estavam em tratamento e apenas 50,8% apresentavam controle press&#243;rico.<sup><xref rid="B21" ref-type="bibr">21</xref></sup></p>
      <p>&#201; pertinente destacar o crescimento da mortalidade na adolesc&#234;ncia, conforme observado nesta investiga&#231;&#227;o. Nessa popula&#231;&#227;o, estudos apontam um amplo conjunto de fatores associados ao sobrepeso e obesidade, tais como i) ingest&#227;o excessiva de a&#231;&#250;cares simples e gorduras, ii) consumo insuficiente de frutas e hortali&#231;as e iii) sedentarismo, que podem resultar em mortalidade precoce.<sup><xref rid="B22" ref-type="bibr">22</xref></sup> O Estudo de Riscos Cardiovasculares em Adolescentes (ERICA), de 2013 a 2014, relatou preval&#234;ncia de s&#237;ndrome metab&#243;lica em 3,3% dos que estavam em sobrepeso e em 21,7% dos que apresentavam obesidade no Nordeste.<sup><xref rid="B23" ref-type="bibr">23</xref></sup></p>
      <p>A import&#226;ncia m&#233;dica de altera&#231;&#245;es no perfil lip&#237;dico est&#225; relacionada &#224; presen&#231;a de aterosclerose subcl&#237;nica e &#224; possibilidade de predizer dislipidemia em vida adulta. No ERICA, observou-se maior preval&#234;ncia de baixos n&#237;veis de lipoprote&#237;na de alta densidade (HDL, high density lipoproteins) nas regi&#245;es Norte e Nordeste do Brasil.<sup><xref rid="B24" ref-type="bibr">24</xref></sup> Estudo realizado em Bel&#233;m/PA em 2006, envolvendo 437 crian&#231;as e adolescentes, apontou 28,8% com excesso de peso e 36% com percentual de gordura elevado. Destas, 49% apresentaram altera&#231;&#227;o no perfil lip&#237;dico, com destaque para os baixos valores de HDL.<sup><xref rid="B25" ref-type="bibr">25</xref></sup> Resultados semelhantes foram observados em Porto Alegre/RS, onde ocorre um crescimento da dislipidemia secund&#225;ria &#224; obesidade, caracterizada por baixos n&#237;veis de HDL e aumento dos n&#237;veis de triglicer&#237;deos, secund&#225;rio &#224; resist&#234;ncia &#224; insulina.<sup><xref rid="B26" ref-type="bibr">26</xref></sup></p>
      <p>O risco cardiovascular tamb&#233;m recebe influ&#234;ncia do sexo, sendo maior na popula&#231;&#227;o masculina. Um estudo sobre hipertens&#227;o em Goi&#226;nia/GO, realizado em 2010, mostrou que a taxa de controle dos n&#237;veis press&#243;ricos &#233; menor na popula&#231;&#227;o masculina (44,0% em homens e 54,8% em mulheres).<sup><xref rid="B21" ref-type="bibr">21</xref></sup> Em Montes Claros/MG, 62,8% dos casos de DM s&#227;o mulheres, justificados pela maior procura por assist&#234;ncia m&#233;dica por essa popula&#231;&#227;o, que apresenta maior e melhor ades&#227;o ao tratamento.<sup><xref rid="B27" ref-type="bibr">27</xref></sup> Ademais, as mulheres tem caracter&#237;sticas biol&#243;gicas e comportamentais capazes de reduzir o risco de doen&#231;as cardiovasculares, destacando-se o papel protetor do estradiol no endot&#233;lio vascular, o maior acesso aos servi&#231;os de sa&#250;de e o melhor desempenho no controle de fatores risco.<sup><xref rid="B17" ref-type="bibr">17</xref></sup></p>
      <p>A influ&#234;ncia do desenvolvimento socioecon&#244;mico e do acesso aos servi&#231;os de sa&#250;de no padr&#227;o de mortalidade tem sido evidenciada em diferentes estudos.<sup><xref rid="B28" ref-type="bibr">28</xref>-<xref rid="B30" ref-type="bibr">30</xref></sup> Investiga&#231;&#227;o realizada em 2012, nos estados do Rio de Janeiro, Rio Grande do Sul e S&#227;o Paulo, mostrou correla&#231;&#227;o entre aumento do PIB <italic>per capita</italic> e do n&#237;vel de escolaridade com a diminui&#231;&#227;o da mortalidade por DIC.<sup><xref rid="B31" ref-type="bibr">31</xref></sup> No Nordeste, o Maranh&#227;o, ao mesmo tempo em que apresentou o maior crescimento percentual m&#233;dio (7,6%) na mortalidade por DIC, caracteriza-se por ser o estado com o menor PIB <italic>per capita</italic> &#8211; R$ 400,97 &#8211; e o segundo estado com maior taxa de analfabetismo entre pessoas com 18 anos de idade ou mais (20,56%), atr&#225;s somente de Alagoas (21,47%).<sup><xref rid="B32" ref-type="bibr">32</xref></sup></p>
      <p>No Rio Grande do Sul, fora evidenciada correla&#231;&#227;o positiva para &#237;ndice GINI, escolaridade e dist&#226;ncia geogr&#225;fica &#8211; p=0,001 &#8211; com a taxa de mortalidade por DIC. A dist&#226;ncia geogr&#225;fica mostra que as distribui&#231;&#245;es espaciais de centros de refer&#234;ncia em interven&#231;&#227;o cardiol&#243;gica influenciam diretamente como fator preditor de &#243;bito, independente, na taxa de mortalidade.<sup><xref rid="B33" ref-type="bibr">33</xref></sup> Outro estudo relata ainda que, em conson&#226;ncia &#224;s disparidades socioecon&#244;micas, o fator dist&#226;ncia geogr&#225;fica torna-se ainda mais grave. N&#227;o obstante, a cria&#231;&#227;o de novos servi&#231;os de refer&#234;ncia em cardiologia &#233; uma possibilidade para a solu&#231;&#227;o do problema.<sup><xref rid="B34" ref-type="bibr">34</xref></sup></p>
      <p>O Brasil tem empreendido esfor&#231;os no sentido de reduzir a ocorr&#234;ncia de DIC. Em 2000, o Minist&#233;rio da Sa&#250;de implantou o Plano de Reorganiza&#231;&#227;o da Aten&#231;&#227;o &#224; Hipertens&#227;o Arterial e ao Diabetes Melito. Seus objetivos visam dispor de um sistema informatizado que auxilia no cadastramento e acompanhamento dos portadores de HAS e DM &#8211; HiperDia, bem como conhecer a magnitude das doen&#231;as, planejar a aquisi&#231;&#227;o de medicamentos e capacitar os profissionais na rede de sa&#250;de brasileira para atuar no perfil de aten&#231;&#227;o &#224; sa&#250;de do sistema &#250;nico de sa&#250;de (SUS).<sup><xref rid="B35" ref-type="bibr">35</xref></sup></p>
      <p>Neste &#226;mbito, estudo realizado em Maring&#225;/PR demonstrou que o impacto das pol&#237;ticas p&#250;blicas, como a Estrat&#233;gia de Sa&#250;de da Fam&#237;lia (ESF), est&#225; associado &#224;s menores taxas de interna&#231;&#227;o por condi&#231;&#245;es cardiovasculares sens&#237;veis &#224; aten&#231;&#227;o prim&#225;ria (CCSAP). O sucesso da aten&#231;&#227;o prim&#225;ria &#224; sa&#250;de (APS) &#233; embasado por sua abordagem sobre os fatores de risco para DCV, no suporte ao autogerenciamento da sa&#250;de junto ao acompanhamento longitudinal por equipes de sa&#250;de, al&#233;m do empoderamento e da autonomia.<sup><xref rid="B36" ref-type="bibr">36</xref></sup></p>
      <p>A APS contribui no combate ao tabagismo, na amplia&#231;&#227;o do acesso aos servi&#231;os de sa&#250;de e na distribui&#231;&#227;o de medicamentos para controle dos fatores de risco da DIC.<sup><xref rid="B37" ref-type="bibr">37</xref></sup> Em uma pesquisa sobre acesso aos medicamentos pelos usu&#225;rios da APS, a dimens&#227;o de disponibilidade de medicamentos estava baixa, em torno de 46,3% a 64,3%, bem menos que os 80% preconizados pela Organiza&#231;&#227;o Mundial da Sa&#250;de (OMS).<sup><xref rid="B38" ref-type="bibr">38</xref></sup> A alternativa proposta &#233; substituir o medicamento em falta e encaminhar para a Farm&#225;cia Popular, embora o controle de doen&#231;as cr&#244;nicas possa vir a ser prejudicado por essa medida.<sup><xref rid="B39" ref-type="bibr">39</xref></sup></p>
      <p>A tend&#234;ncia de crescimento da mortalidade n&#227;o ocorre de modo homog&#234;neo entre os estados nordestinos: h&#225; crescimento linear em Alagoas e no Rio Grande do Norte, instabilidade das taxas em Pernambuco e um padr&#227;o estacion&#225;rio na maioria dos estados a partir da segunda metade da primeira d&#233;cada do s&#233;culo XXI. Diferentes fatores podem justificar esses achados, tais como as diferen&#231;as socioecon&#244;micas intrarregionais, a influ&#234;ncia das pol&#237;ticas p&#250;blicas e a qualidade dos registros de informa&#231;&#245;es.<sup><xref rid="B3" ref-type="bibr">3</xref>,<xref rid="B40" ref-type="bibr">40</xref>-<xref rid="B43" ref-type="bibr">43</xref></sup></p>
      <p>Mesmo considerando os cuidados metodol&#243;gicos adotados, este estudo tem limita&#231;&#245;es, com destaque para a qualidade dos registros de mortalidade, sendo este um desafio para o adequado monitoramento da situa&#231;&#227;o de sa&#250;de e aux&#237;lio na tomada de decis&#227;o. Adicionalmente, a exist&#234;ncia de c&#243;digo <italic>garbage</italic> e as dificuldades operacionais na vigil&#226;ncia do &#243;bito s&#227;o fatores adicionais que comprometem a qualidade dos registros.</p>
    </sec>
    <sec sec-type="conclusions">
      <title>Conclus&#227;o</title>
      <p>As taxas de mortalidade na regi&#227;o Nordeste do Brasil apresentaram crescimento significativo em todos os estados que a comp&#245;em, sendo maior no Maranh&#227;o e no Piau&#237;. O perfil de &#243;bitos caracterizou-se pelo predom&#237;nio de homens idosos, ra&#231;a/cor parda, ensino fundamental ou &lt;4 anos na escola e casados. Durante o per&#237;odo, o sexo masculino demonstrou taxas significativamente maiores que o sexo feminino, ainda que com o mesmo crescimento percentual. As desigualdades nas taxas entre os estados demonstram a necessidade de estrat&#233;gias consoantes com a realidade e as particularidades locais, e a poss&#237;vel influ&#234;ncia das condi&#231;&#245;es de vida da popula&#231;&#227;o, sendo essa uma recomenda&#231;&#227;o para estudos futuros. Considerando o achado preocupante de maior taxa de incremento anual na faixa et&#225;ria de adolescentes, s&#227;o necess&#225;rias maiores investiga&#231;&#245;es sobre a mortalidade cardiovascular nos mesmos.</p>
    </sec>
  </body>
  <back>
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              <given-names>RHM</given-names>
            </name>
          </person-group>
          <article-title>Modifica&#231;&#245;es nos indicadores sociais da regi&#227;o Nordeste ap&#243;s a implementa&#231;&#227;o da aten&#231;&#227;o prim&#225;ria</article-title>
          <source>Trab Educ Sa&#250;de</source>
          <year>2019</year>
          <volume>17</volume>
          <issue>2</issue>
          <elocation-id>e0018925</elocation-id>
        </element-citation>
      </ref>
      <ref id="B43">
        <label>43</label>
        <mixed-citation>43. Soares GP, Brum JD, Oliveira GMM, Klein CH, Souza e Silva NA. Mortalidade por todas as causas e por doen&#231;as cardiovasculares em tr&#234;s estados do Brasil, 1980 a 2006. Rev Panam Salud Publica. 2010; 28(4):258-66.</mixed-citation>
        <element-citation publication-type="journal">
          <person-group person-group-type="author">
            <name>
              <surname>Soares</surname>
              <given-names>GP</given-names>
            </name>
            <name>
              <surname>Brum</surname>
              <given-names>JD</given-names>
            </name>
            <name>
              <surname>Oliveira</surname>
              <given-names>GMM</given-names>
            </name>
            <name>
              <surname>Klein</surname>
              <given-names>CH</given-names>
            </name>
            <name>
              <surname>Souza e Silva</surname>
              <given-names>NA</given-names>
            </name>
          </person-group>
          <article-title>Mortalidade por todas as causas e por doen&#231;as cardiovasculares em tr&#234;s estados do Brasil, 1980 a 2006</article-title>
          <source>Rev Panam Salud Publica</source>
          <year>2010</year>
          <volume>28</volume>
          <issue>4</issue>
          <fpage>258</fpage>
          <lpage>266</lpage>
        </element-citation>
      </ref>
    </ref-list>
    <fn-group>
      <fn fn-type="other">
        <p>Vincula&#231;&#227;o acad&#234;mica</p>
        <p>N&#227;o h&#225; vincula&#231;&#227;o deste estudo a programas de p&#243;s-gradua&#231;&#227;o.</p>
      </fn>
      <fn fn-type="supported-by">
        <p><bold>Fontes de financiamento</bold>: O presente estudo n&#227;o teve fontes de financiamento externas.</p>
      </fn>
    </fn-group>
  </back>
  <sub-article article-type="translation" id="TRen" xml:lang="en">
    <front-stub>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Original Article</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Temporal Trend of Mortality Due to Ischemic Heart Diseases in Northeastern Brazil (1996&#8211;2016): An Analysis According to Gender and Age Group</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Santana</surname>
            <given-names>Gibson Barros de Almeida</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Leal</surname>
            <given-names>Thiago Cavalcanti</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Paiva</surname>
            <given-names>Jo&#227;o Paulo Silva de</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Silva</surname>
            <given-names>Leonardo Feitosa da</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Santos</surname>
            <given-names>Lucas Gomes</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Oliveira</surname>
            <given-names>Tatiana Farias de</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Mesquita</surname>
            <given-names>Rodrigo da Rosa</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Gomes</surname>
            <given-names>J&#233;ssica Alves</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0001-7995-1893</contrib-id>
          <name>
            <surname>Souza</surname>
            <given-names>Carlos Dornels Freire de</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0002-6668-2820</contrib-id>
          <name>
            <surname>Rodrigues</surname>
            <given-names>Amanda Karine Barros Ferreira</given-names>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
      </contrib-group>
      <aff id="aff1001">
        <label>1</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Universidade Federal de Alagoas, Macei&#243;, AL - Brasil</institution>
      </aff>
      <author-notes>
        <corresp id="c01001"><bold>Mailing Address: Carlos Dornels Freire de Souza </bold>&#8226; Universidade Federal de Alagoas - Campus Arapiraca &#8211; Medicina &#8211; Av. Manoel Severino Barbosa. Postal Code 57309-005, Arapiraca, AL &#8211; Brazil E-mail: carlos.freire@arapiraca.ufal.br </corresp>
        <fn id="fn1001">
          <p>Author Contributions</p>
          <p>Conception and design of the research and Acquisition of data: Santana GBA, Paiva JPS, Oliveira TF, Mesquita RR, Gomes JA, Souza CDF, Rodrigues AKBF; Analysis and interpretation of the data: Santana GBA, Leal TC, Silva LF, Santos LG, Gomes JA, Souza CDF, Rodrigues AKBF; Statistical analysis: Santana GBA, Silva LF, Santos LG, Souza CDF, Rodrigues AKBF; Writing of the manuscript: Santana GBA, Leal TC, Paiva JPS, Silva LF, Oliveira TF, Gomes JA, Souza CDF, Rodrigues AKBF; Critical revision of the manuscript for intellectual content: Santana GBA, Leal TC, Paiva JPS, Silva LF, Santos LG, Souza CDF, Rodrigues AKBF.</p>
        </fn>
        <fn>
          <p>Potential Conflict of Interest</p>
          <p>No potential conflict of interest relevant to this article was reported.</p>
        </fn>
      </author-notes>
      <abstract>
        <title>Abstract</title>
        <sec>
          <title>Background</title>
          <p> Ischemic heart disease (IHD) is the leading cause of death among cardiovascular diseases (CVD).</p>
        </sec>
        <sec>
          <title>Objective</title>
          <p> To describe the sociodemographic profile and analyze the trend in the mortality rate due to IHD, according to sex and by age group, in the states of the Northeast region of Brazil, from 1996 to 2016.</p>
        </sec>
        <sec>
          <title>Methods</title>
          <p> Ecological study involving IHD mortality in the northeastern states. Variables analyzed: sex, age, education, marital status, ICD-10 category and state of residence. Crude and standardized rates were calculated. Death data were collected from the Mortality Information System (SIM) and population data from the Brazilian Institute of Geography and Statistics (IBGE). In temporal analyzes the regression model by inflection points was used, with the calculation of annual percent change (APC) and average annual percent change of the period (AAPC). A 95% confidence interval and a significance level of 5% were considered.</p>
        </sec>
        <sec>
          <title>Results</title>
          <p> 405916 deaths due to IHD were registered in the northeast region during the study period. The death profile is characterized by men (n=229006; 56,42%), elderly (n=301379; 74,25%), race/color brown (n=197936; 48,76%), elementary or &lt;4 years at school (n=232599; 57,30%) and married (n=179599; 44,25%). There was an unusual highlight to the increase in the annual growth rate in the age group of adolescents (AAPC: 5,2%, p &lt;0.01). The standardized regional mortality rate grew from 30,7 per 100,000 inhabitants in 1996 to 53.8 per 100,000 in 2016 (AAPC 2.8%; p&lt;0.01). All nine states presented a statistically significant growth trend, with emphasis on Maranh&#227;o (AAPC 7,6%; p&lt;0.01) and Piau&#237; (AAPC 6,0%; p&lt;0.01).</p>
        </sec>
        <sec>
          <title>Conclusion</title>
          <p> The prevalent observed profile was male, elderly, race/color brown, low education level and married. Mortality due to IHD presented an upward trend in all states, although with an uneven pattern among the federated units.</p>
        </sec>
      </abstract>
      <kwd-group xml:lang="en">
        <kwd>Myocardial Ischemia/mortality</kwd>
        <kwd>Epidemiology</kwd>
        <kwd>Socioeconomic Factors</kwd>
        <kwd>Deaths</kwd>
        <kwd>Statistical Analysis</kwd>
        <kwd>Demography</kwd>
        <kwd>Public Health</kwd>
      </kwd-group>
    </front-stub>
    <body>
      <sec sec-type="intro">
        <title>Introduction</title>
        <p>Nursing has gained prominence regarding the application of technologies, with opportunities to implement and/or develop them for further evolution of the profession and benefits to the client-professional relationship.<sup><xref rid="B1" ref-type="bibr">1</xref>-<xref rid="B3" ref-type="bibr">3</xref></sup>In this scenario, Chronic Non-Communicable Diseases (CNCDs) - Cardiovascular Diseases (CVD), cancer, chronic respiratory diseases and Diabetes Mellitus (DM) - have gained space in the epidemiological and social context, constituting a global health problem responsible for 40 million deaths annually, 17 million of which as a result of CVD.<sup><xref rid="B4" ref-type="bibr">4</xref></sup></p>
        <p>In Brazil, in 2016, CNCDs resulted in 707,000 deaths, of which 362,000 were due to CVD.<sup><xref rid="B5" ref-type="bibr">5</xref></sup> Due to the continental size of the country, the CNCD mortality dynamics between the regions and units of the Brazilian federation does not show homogeneous features. S&#227;o Paulo, for example, follows the pattern of developed countries, with a reduction in the mortality rate,<sup><xref rid="B6" ref-type="bibr">6</xref></sup> while in the Northeast, under different socioeconomic contexts (worse socioeconomic indicators and difficult access to health), the scenario is the opposite one.<sup><xref rid="B7" ref-type="bibr">7</xref>,<xref rid="B8" ref-type="bibr">8</xref></sup></p>
        <p>Among the CVDs, the most prevalent is Ischemic Heart Disease (IHD), responsible for 116,000 deaths in Brazil in 2016 alone.<sup><xref rid="B5" ref-type="bibr">5</xref></sup> IHD presents as insufficient blood flow and inadequate oxygen supply to the heart. This may be the effect of atheromatous plaque rupture, platelet adhesion, thrombosis, and vasospasm, the consequences of which will be ischemic myocardial injury, irreversible damage to cardiomyocytes, and overload hypertrophy in non-necrotic areas.<sup><xref rid="B9" ref-type="bibr">9</xref></sup>In a pragmatic way, individuals have increased dependence on activities of daily living and mobility, that is, there is a decrease in functional capacity.<sup><xref rid="B10" ref-type="bibr">10</xref></sup></p>
        <p>The risk factors for these diseases are classified into two categories: modifiable and non-modifiable ones. The modifiable factors are Systemic Arterial Hypertension (SAH), obesity, sedentary lifestyle, inadequate eating habits, smoking, alcohol consumption, dyslipidemias, and insulin resistance; the non-modifiable factors refer to age, gender, ethnicity, and heredity.<sup><xref rid="B11" ref-type="bibr">11</xref>,<xref rid="B12" ref-type="bibr">12</xref></sup> The control of modifiable risk factors greatly reduces morbidity and mortality from cardiovascular disease.<sup><xref rid="B13" ref-type="bibr">13</xref></sup></p>
        <p>Research on the temporal evolution of CVD mortality in the Northeast is fundamental for health decision-making, as it can contribute to the definition of priority areas for intervention and the development of strategies and actions aimed at improving the health of the population, especially with regard to risk factors.<sup><xref rid="B14" ref-type="bibr">14</xref></sup></p>
        <p>The Northeast region lacks descriptive studies on its detailed epidemiological characteristics. Based on the above, this study aimed to describe the sociodemographic profile and analyze the trend of the mortality rate from IHD, according to gender and age group, in the states of the Northeast region of Brazil, from 1996 to 2016. Thus, it broadens the scientific range about their health situation and the social determinants that constitute it.</p>
      </sec>
      <sec sec-type="methods">
        <title>Methods</title>
        <sec>
          <title>Data Source and Collection</title>
          <p>Death records were obtained from the Mortality Information System (MIS) of the Department of Informatics of the Unified Health System of the Brazilian Ministry of Health (http://www.datasus.gov.br/). During the collection process, the codes I20 to I25 of the International Classification of Diseases (ICD-10) were considered: I20 - Angina pectoris; I21 - Acute myocardial infarction; I22 - Recurrent myocardial infarction; I23 - Some current complications subsequent to acute myocardial infarction; I24 - Other acute ischemic heart disease; I25 - Chronic ischemic heart disease. The population data necessary to calculate the indicators were collected from the 2010 IBGE census.</p>
        </sec>
        <sec>
          <title>Study area</title>
          <p>The Northeast region of Brazil comprises nine states (Maranh&#227;o, Piau&#237;, Cear&#225;, Rio Grande do Norte, Para&#237;ba, Pernambuco, Alagoas, Sergipe and Bahia) and has an estimated population of 57 million inhabitants, which corresponds to 28% of the national population &#8211; being the second most populous region of Brazil.<sup><xref rid="B15" ref-type="bibr">15</xref></sup></p>
        </sec>
        <sec>
          <title>Study variables</title>
          <p>The study included sociodemographic variables (age group, education, marital status, skin color/ethnicity and states), International Classification of Diseases (ICD-10) category and the crude and standardized mortality rates, according to gender and age group.</p>
          <p>To calculate the rates, the following equations were used:</p>
          <list list-type="alpha-lower">
            <list-item>
              <p>Annual mortality rate = (Number of deaths from IHD at the site and in the year / Resident population at the site and in the year) x 100,000</p>
            </list-item>
            <list-item>
              <p>Mortality rate for the period = (Simple average of the number of deaths from IHD at the site in the period / Mid-period resident population at the site) x 100,000</p>
            </list-item>
          </list>
          <p>The direct method was adopted for the standardization of mortality rates, considering the Brazilian population of the year 2010 as the standard population. The following age groups were used in the standardization process: 0 to 9 years, 10 to 19 years, 20 to 29 years, 30 to 39 years, 40 to 49 years, 50 to 59 years and 60 years or older.</p>
        </sec>
        <sec>
          <title>Statistical Treatment</title>
          <p>Initially, the sociodemographic variables were analyzed using simple descriptive statistics (absolute and relative frequencies). The temporal analysis was performed using the joinpoint regression model. The model analyzes whether a line with multiple segments is better suited to explain the temporal behavior of a data set when compared to a straight line or one with fewer segments. Thus, the trend of each indicator is classified as stationary, increasing or decreasing, according to the slope of the regression line. The Annual Percent Change (APC) and Average Annual Percent Change (AAPC) were calculated.<sup><xref rid="B16" ref-type="bibr">16</xref></sup></p>
          <p>The following parameters were adopted in the analysis: i) minimum of zero joins, ii) maximum of four joins, iii) model selection by Monte Carlo method (n= 4499 permutations), iv) error autocorrelation method based on date, v) 95% confidence interval (95%CI) and vi) 5% significance level. These analyses were performed with the help of the Joinpoint regression program (version 4.5.0.1, National Cancer Institute, Bethesda, MD, USA).</p>
        </sec>
        <sec>
          <title>Ethical aspects</title>
          <p>This study used secondary data from the public domain, in which it is not possible to identify the subjects.</p>
        </sec>
      </sec>
      <sec sec-type="results">
        <title>Results</title>
        <p>From 1996 to 2016, 405,916 deaths from IHD were recorded in the Northeast region of Brazil. Of these deaths, 56.42% (n=229006) occurred in males, 74.25% (n=301379) were elderly, 48.76% (n=197936) were brown, 57.30% (n=232599) had elementary school education or &lt;4 years in school, and 44.25% (n=179599) were married. The proportion of blank fields in the variables level of schooling (33.54%), marital status (8.95%) and ethnicity/skin color (15.84%) stood out. As for the cause of death, 85.07% (n=345329) were due to acute myocardial infarction (I21) and 46.37% (n=188217) of the deaths occurred in the states of Pernambuco and Bahia (<xref rid="t1001" ref-type="table">Table 1</xref>).</p>
        <p>
          <table-wrap id="t1001">
            <label>Table 1</label>
            <caption>
              <title>&#8211; Sociodemographic characterization and ICD-10 category of deaths from ischemic heart disease (IHD) in Northeast Brazil, 1996-2016</title>
            </caption>
            <table frame="hsides" rules="groups">
              <colgroup>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
              </colgroup>
              <thead>
                <tr>
                  <th align="left" rowspan="2">Variable</th>
                  <th colspan="2">Male n=229006 (56.42%)</th>
                  <th colspan="2">Female n=176766 (43.55%)</th>
                  <th colspan="2">Unknown n=144 (0.03%)</th>
                  <th colspan="2">Total n=405916 (100%)</th>
                </tr>
                <tr>
                  <th>n</th>
                  <th>%</th>
                  <th>n</th>
                  <th>%</th>
                  <th>n</th>
                  <th>%</th>
                  <th>n</th>
                  <th>%</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>
                    <bold>Age Range</bold>
                  </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                </tr>
                <tr>
                  <td>&lt;10 years</td>
                  <td align="center">72</td>
                  <td align="center">0.05</td>
                  <td align="center">49</td>
                  <td align="center">0.02</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">121</td>
                  <td align="center">0.03</td>
                </tr>
                <tr>
                  <td>10 to 19</td>
                  <td align="center">469</td>
                  <td align="center">0.20</td>
                  <td align="center">215</td>
                  <td align="center">0.12</td>
                  <td align="center">1</td>
                  <td align="center">0.70</td>
                  <td align="center">685</td>
                  <td align="center">0.17</td>
                </tr>
                <tr>
                  <td>20 to 29</td>
                  <td align="center">2197</td>
                  <td align="center">0.96</td>
                  <td align="center">815</td>
                  <td align="center">0.46</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">3012</td>
                  <td align="center">0.74</td>
                </tr>
                <tr>
                  <td>30 to 39</td>
                  <td align="center">7086</td>
                  <td align="center">3.09</td>
                  <td align="center">3197</td>
                  <td align="center">1.81</td>
                  <td align="center">3</td>
                  <td align="center">2.08</td>
                  <td align="center">10286</td>
                  <td align="center">2.53</td>
                </tr>
                <tr>
                  <td>40 to 49</td>
                  <td align="center">19380</td>
                  <td align="center">8.46</td>
                  <td align="center">10763</td>
                  <td align="center">6.09</td>
                  <td align="center">14</td>
                  <td align="center">9.72</td>
                  <td align="center">30157</td>
                  <td align="center">7.43</td>
                </tr>
                <tr>
                  <td>50 to 59</td>
                  <td align="center">38131</td>
                  <td align="center">16.65</td>
                  <td align="center">21493</td>
                  <td align="center">12.16</td>
                  <td align="center">17</td>
                  <td align="center">11.81</td>
                  <td align="center">59641</td>
                  <td align="center">14.69</td>
                </tr>
                <tr>
                  <td>60 years or older</td>
                  <td align="center">161295</td>
                  <td align="center">70.43</td>
                  <td align="center">139991</td>
                  <td align="center">79.20</td>
                  <td align="center">93</td>
                  <td align="center">64.58</td>
                  <td align="center">301379</td>
                  <td align="center">74.25</td>
                </tr>
                <tr>
                  <td>Ignored</td>
                  <td align="center">376</td>
                  <td align="center">0.16</td>
                  <td align="center">243</td>
                  <td align="center">0.14</td>
                  <td align="center">16</td>
                  <td align="center">11.11</td>
                  <td align="center">635</td>
                  <td align="center">0.16</td>
                </tr>
                <tr>
                  <td>
                    <bold>Skin color/ ethnicity</bold>
                  </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                </tr>
                <tr>
                  <td>White</td>
                  <td align="center">58574</td>
                  <td align="center">25.58</td>
                  <td align="center">53120</td>
                  <td align="center">30.05</td>
                  <td align="center">10</td>
                  <td align="center">6.94</td>
                  <td align="center">111704</td>
                  <td align="center">27.52</td>
                </tr>
                <tr>
                  <td>Black</td>
                  <td align="center">17345</td>
                  <td align="center">7.57</td>
                  <td align="center">11975</td>
                  <td align="center">6.77</td>
                  <td align="center">1</td>
                  <td align="center">0.70</td>
                  <td align="center">29321</td>
                  <td align="center">7.22</td>
                </tr>
                <tr>
                  <td>Yellow</td>
                  <td align="center">1062</td>
                  <td align="center">0.46</td>
                  <td align="center">928</td>
                  <td align="center">0.53</td>
                  <td align="center">2</td>
                  <td align="center">1.39</td>
                  <td align="center">1992</td>
                  <td align="center">0.49</td>
                </tr>
                <tr>
                  <td>Brown</td>
                  <td align="center">115714</td>
                  <td align="center">50.53</td>
                  <td align="center">82208</td>
                  <td align="center">46.51</td>
                  <td align="center">14</td>
                  <td align="center">9.72</td>
                  <td align="center">197936</td>
                  <td align="center">48.76</td>
                </tr>
                <tr>
                  <td>Indigenous</td>
                  <td align="center">385</td>
                  <td align="center">0.17</td>
                  <td align="center">301</td>
                  <td align="center">0.17</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">686</td>
                  <td align="center">0.17</td>
                </tr>
                <tr>
                  <td>Unknown</td>
                  <td align="center">35926</td>
                  <td align="center">15.69</td>
                  <td align="center">28234</td>
                  <td align="center">15.97</td>
                  <td align="center">117</td>
                  <td align="center">81.25</td>
                  <td align="center">64277</td>
                  <td align="center">15.84</td>
                </tr>
                <tr>
                  <td>
                    <bold>Level of schooling</bold>
                  </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                </tr>
                <tr>
                  <td>Elementary or &lt; 4 years at school</td>
                  <td align="center">129138</td>
                  <td align="center">56.39</td>
                  <td align="center">103426</td>
                  <td align="center">58.51</td>
                  <td align="center">35</td>
                  <td align="center">24.30</td>
                  <td align="center">232599</td>
                  <td align="center">57.30</td>
                </tr>
                <tr>
                  <td>High school</td>
                  <td align="center">15866</td>
                  <td align="center">6.93</td>
                  <td align="center">9088</td>
                  <td align="center">5.14</td>
                  <td align="center">4</td>
                  <td align="center">2.78</td>
                  <td align="center">24958</td>
                  <td align="center">6.15</td>
                </tr>
                <tr>
                  <td>Higher education</td>
                  <td align="center">8303</td>
                  <td align="center">3.62</td>
                  <td align="center">3909</td>
                  <td align="center">2.21</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">12212</td>
                  <td align="center">3.01</td>
                </tr>
                <tr>
                  <td>Unknown</td>
                  <td align="center">75699</td>
                  <td align="center">33.06</td>
                  <td align="center">60343</td>
                  <td align="center">34.14</td>
                  <td align="center">105</td>
                  <td align="center">72.92</td>
                  <td align="center">136147</td>
                  <td align="center">33.54</td>
                </tr>
                <tr>
                  <td>
                    <bold>Marital status</bold>
                  </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                </tr>
                <tr>
                  <td>Single</td>
                  <td align="center">45124</td>
                  <td align="center">19.7</td>
                  <td align="center">41989</td>
                  <td align="center">23.75</td>
                  <td align="center">21</td>
                  <td align="center">14.58</td>
                  <td align="center">87134</td>
                  <td align="center">21.47</td>
                </tr>
                <tr>
                  <td>Married</td>
                  <td align="center">125600</td>
                  <td align="center">54.85</td>
                  <td align="center">53953</td>
                  <td align="center">30.52</td>
                  <td align="center">46</td>
                  <td align="center">31.94</td>
                  <td align="center">179599</td>
                  <td align="center">44.25</td>
                </tr>
                <tr>
                  <td>Widowed</td>
                  <td align="center">26413</td>
                  <td align="center">11.53</td>
                  <td align="center">58356</td>
                  <td align="center">33.01</td>
                  <td align="center">26</td>
                  <td align="center">18.06</td>
                  <td align="center">84795</td>
                  <td align="center">20.89</td>
                </tr>
                <tr>
                  <td>Divorced</td>
                  <td align="center">6930</td>
                  <td align="center">3.03</td>
                  <td align="center">3642</td>
                  <td align="center">2.06</td>
                  <td align="center">1</td>
                  <td align="center">0.70</td>
                  <td align="center">10573</td>
                  <td align="center">2.60</td>
                </tr>
                <tr>
                  <td>Other</td>
                  <td align="center">5254</td>
                  <td align="center">2.29</td>
                  <td align="center">2228</td>
                  <td align="center">1.27</td>
                  <td align="center">2</td>
                  <td align="center">1.39</td>
                  <td align="center">7484</td>
                  <td align="center">1.84</td>
                </tr>
                <tr>
                  <td>Unknown</td>
                  <td align="center">19685</td>
                  <td align="center">8.60</td>
                  <td align="center">16598</td>
                  <td align="center">9.39</td>
                  <td align="center">48</td>
                  <td align="center">33.33</td>
                  <td align="center">36331</td>
                  <td align="center">8.95</td>
                </tr>
                <tr>
                  <td>
                    <bold>ICD-10 Category</bold>
                  </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                </tr>
                <tr>
                  <td>I20</td>
                  <td align="center">885</td>
                  <td align="center">0.39</td>
                  <td align="center">875</td>
                  <td align="center">0.5</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">1760</td>
                  <td align="center">0.43</td>
                </tr>
                <tr>
                  <td>I21</td>
                  <td align="center">196621</td>
                  <td align="center">85.86</td>
                  <td align="center">148585</td>
                  <td align="center">84.06</td>
                  <td align="center">123</td>
                  <td align="center">85.42</td>
                  <td align="center">345329</td>
                  <td align="center">85.07</td>
                </tr>
                <tr>
                  <td>I22</td>
                  <td align="center">591</td>
                  <td align="center">0.25</td>
                  <td align="center">386</td>
                  <td align="center">0.21</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">977</td>
                  <td align="center">0.25</td>
                </tr>
                <tr>
                  <td>I23</td>
                  <td align="center">3</td>
                  <td align="center">&lt;0.01</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">0</td>
                  <td align="center">0.00</td>
                  <td align="center">3</td>
                  <td align="center">&lt;0.01</td>
                </tr>
                <tr>
                  <td>I24</td>
                  <td align="center">6745</td>
                  <td align="center">2.95</td>
                  <td align="center">6320</td>
                  <td align="center">3.58</td>
                  <td align="center">7</td>
                  <td align="center">4.86</td>
                  <td align="center">13072</td>
                  <td align="center">3.22</td>
                </tr>
                <tr>
                  <td>I25</td>
                  <td align="center">24161</td>
                  <td align="center">10.55</td>
                  <td align="center">20600</td>
                  <td align="center">11.65</td>
                  <td align="center">14</td>
                  <td align="center">9.72</td>
                  <td align="center">44775</td>
                  <td align="center">11.03</td>
                </tr>
                <tr>
                  <td>
                    <bold>States</bold>
                  </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                  <td> </td>
                </tr>
                <tr>
                  <td>Maranh&#227;o</td>
                  <td align="center">21847</td>
                  <td align="center">9.54</td>
                  <td align="center">13792</td>
                  <td align="center">7.8</td>
                  <td align="center">24</td>
                  <td align="center">16.67</td>
                  <td align="center">35663</td>
                  <td align="center">8.79</td>
                </tr>
                <tr>
                  <td>Piau&#237;</td>
                  <td align="center">14539</td>
                  <td align="center">6.35</td>
                  <td align="center">9446</td>
                  <td align="center">5.34</td>
                  <td align="center">16</td>
                  <td align="center">11.11</td>
                  <td align="center">24001</td>
                  <td align="center">5.91</td>
                </tr>
                <tr>
                  <td>Cear&#225;</td>
                  <td align="center">33500</td>
                  <td align="center">14.63</td>
                  <td align="center">26623</td>
                  <td align="center">15.06</td>
                  <td align="center">26</td>
                  <td align="center">18.06</td>
                  <td align="center">60149</td>
                  <td align="center">14.82</td>
                </tr>
                <tr>
                  <td>Rio Grande do Norte</td>
                  <td align="center">17347</td>
                  <td align="center">7.57</td>
                  <td align="center">13335</td>
                  <td align="center">7.54</td>
                  <td align="center">4</td>
                  <td align="center">2.78</td>
                  <td align="center">30686</td>
                  <td align="center">7.56</td>
                </tr>
                <tr>
                  <td>Para&#237;ba</td>
                  <td align="center">18825</td>
                  <td align="center">8.22</td>
                  <td align="center">14945</td>
                  <td align="center">8.45</td>
                  <td align="center">11</td>
                  <td align="center">7.64</td>
                  <td align="center">33781</td>
                  <td align="center">8.32</td>
                </tr>
                <tr>
                  <td>Pernambuco</td>
                  <td align="center">59385</td>
                  <td align="center">25.93</td>
                  <td align="center">48909</td>
                  <td align="center">27.67</td>
                  <td align="center">34</td>
                  <td align="center">23.61</td>
                  <td align="center">108328</td>
                  <td align="center">26.69</td>
                </tr>
                <tr>
                  <td>Alagoas</td>
                  <td align="center">11957</td>
                  <td align="center">5.22</td>
                  <td align="center">9034</td>
                  <td align="center">5.11</td>
                  <td align="center">2</td>
                  <td align="center">1.38</td>
                  <td align="center">20993</td>
                  <td align="center">5.17</td>
                </tr>
                <tr>
                  <td>Sergipe</td>
                  <td align="center">6797</td>
                  <td align="center">2.97</td>
                  <td align="center">5624</td>
                  <td align="center">3.20</td>
                  <td align="center">5</td>
                  <td align="center">3.47</td>
                  <td align="center">12426</td>
                  <td align="center">3.06</td>
                </tr>
                <tr>
                  <td>Bahia</td>
                  <td align="center">44809</td>
                  <td align="center">19.57</td>
                  <td align="center">35058</td>
                  <td align="center">19.83</td>
                  <td align="center">22</td>
                  <td align="center">15.28</td>
                  <td align="center">79889</td>
                  <td align="center">19.68</td>
                </tr>
              </tbody>
            </table>
            <table-wrap-foot>
              <fn id="TFN1001">
                <p>
                  <italic>I20- Angina pectoris; I21- Acute myocardial infarction; I22- Subsequent myocardial infarction; I23- Certain current complications following acute myocardial infarction; I24- Other acute ischemic heart diseases; I25- Chronic ischemic heart disease.</italic>
                </p>
              </fn>
            </table-wrap-foot>
          </table-wrap>
        </p>
        <p>The regional standardized mortality rate increased from 30.7/100,000 inhabitants in 1996 to 53.8/100,000 in 2016 (AAPC 2.8%; 95%CI: 1.9 to 3.7; p&lt;0.01). All nine states showed a significant growth trend, especially the state of Maranh&#227;o, of which rate increased from 14.8/100,000 in 1996 to 64.0/100,000 inhabitants in 2016 (AAPC 7.6%; 95%CI: 5.7 to 9.6; p&lt;0.01), followed by Piau&#237;, in which the rate increased from 18.7/100,000 in 1996 to 61.5/100,000 inhabitants in 2016 (AAPC 6.0%; 95%CI: 4.3 to 7.8; p&lt;0.01). Pernambuco stood out with the highest number of temporal segments, with four inflections, five temporal segments and AAPC equal to 1.2% (95%CI: 0.0 to 2.5; p&lt;0.01). The states of Rio Grande do Norte and Alagoas showed a linear trend of mortality growth (2.2% in Rio Grande do Norte and 3.6% in Alagoas) (<xref rid="f01001" ref-type="fig">Figure 1</xref>).</p>
        <p>
          <fig id="f01001">
            <label>Figure 1</label>
            <caption>
              <title>&#8211; Time trend of the standardized mortality rate from Ischemic Heart Disease (IHD), according to state of residence. Northeast Brazil, 1996-2016. APC: Annual Percent Change. AAPC: Average Annual Percent Change. *Confidence Interval values have been suppressed in the illustration for better visualization and understanding of the trend lines.</title>
            </caption>
            <graphic xlink:href="1678-4170-abc-117-01-0051-00222-gf01-en.tif"/></fig>
        </p>
        <p>The mean mortality rate in males (42.05/100,000) was 32% higher than in females (31.6/100,000), although with the same mean variation (AAPC 4.4%; 95%CI: 3.4 to 5.4; p&lt;0.01). The adolescent age group showed a statistically significant increase, greater than in the other age groups (AAPC: 5.2%, p&lt;0.01) (<xref rid="t2001" ref-type="table">Table 2</xref>). All states showed an upward trend in both genders, with Maranh&#227;o (AAPC 8.7% for men and 9.3% for women) and Piau&#237; (AAPC 7.9% for men and 8.4% for women) standing out (<xref rid="t3001" ref-type="table">Table 3</xref>).</p>
        <p>
          <table-wrap id="t2001">
            <label>Table 2</label>
            <caption>
              <title>&#8211; Time trend of crude mortality rate from Ischemic Heart Disease (IHD), according to gender and age group. Northeast, Brazil, 1996-2016</title>
            </caption>
            <table frame="hsides" rules="groups">
              <colgroup>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
              </colgroup>
              <thead>
                <tr>
                  <th align="left" rowspan="2">Variable</th>
                  <th colspan="3">Mortality Rate/100,000</th>
                  <th colspan="3">Trend</th>
                </tr>
                <tr>
                  <th>1996</th>
                  <th>2016</th>
                  <th>1996-2016</th>
                  <th>Time period</th>
                  <th>APC (95%CI; p value)</th>
                  <th>AAPC (95%CI; p value)</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>
                    <bold>Gender</bold>
                  </td>
                  <td colspan="6"> </td>
                </tr>
                <tr>
                  <td rowspan="3">Male</td>
                  <td align="center" rowspan="3">25.52</td>
                  <td align="center" rowspan="3">60.88</td>
                  <td align="center" rowspan="3">42.05</td>
                  <td align="center">1996-2004</td>
                  <td align="center">3.7% (3.0 to 4.5; p&lt;0.01)</td>
                  <td align="center" rowspan="3">4.4% (3.4 to 5.4; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2004-2007</td>
                  <td align="center">10.6% (3.4 to 18.3; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2007-2016</td>
                  <td align="center">3.0% (2.4 to 3.6; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td rowspan="3">Female</td>
                  <td align="center" rowspan="3">18.78</td>
                  <td align="center" rowspan="3">44.24</td>
                  <td align="center" rowspan="3">31.69</td>
                  <td align="center">1996-2003</td>
                  <td align="center">4.0% (3.1 to 5.0; p&lt;0.01)</td>
                  <td align="center" rowspan="3">4.4% (3.6 to 5.2; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2003-2007</td>
                  <td align="center">9.2% (5.5 to 13.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2007-2016</td>
                  <td align="center">2.6% (2.0 to 3.2; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>
                    <bold>Age Range</bold>
                  </td>
                  <td colspan="6"> </td>
                </tr>
                <tr>
                  <td>0 to 9</td>
                  <td align="center">0.01</td>
                  <td align="center">0.10</td>
                  <td align="center">0.05</td>
                  <td align="center">-</td>
                  <td align="center">-</td>
                  <td align="center">-</td>
                </tr>
                <tr>
                  <td>10 to 19</td>
                  <td align="center">0.21</td>
                  <td align="center">0.39</td>
                  <td align="center">0.31</td>
                  <td align="center">1996-2016</td>
                  <td align="center">5.2% (3.0 to 7.5; p&lt;0.01)</td>
                  <td align="center">5.2% (3.0 to 7.5; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>20 to 29</td>
                  <td align="center">1.00</td>
                  <td align="center">1.96</td>
                  <td align="center">1.42</td>
                  <td align="center">1996-2016</td>
                  <td align="center">2.8% (2.0 to 3.6; p&lt;0.01)</td>
                  <td align="center">2.8% (2.0 to 3.6; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td rowspan="3">30 to 39</td>
                  <td align="center" rowspan="3">5.79</td>
                  <td align="center" rowspan="3">7.18</td>
                  <td align="center" rowspan="3">6.66</td>
                  <td align="center">1996-2003</td>
                  <td align="center">-1.5% (-3.5 to 0.5; p=0.2)</td>
                  <td align="center" rowspan="3">0.9% (-0.8 to 2.5; p=0.4)</td>
                </tr>
                <tr>
                  <td align="center">2003-2007</td>
                  <td align="center">6.8% (-1.1 to 15.4; p=0.3)</td>
                </tr>
                <tr>
                  <td align="center">2007-2016</td>
                  <td align="center">0.2% (-1.2 to 1.6; p=0.2)</td>
                </tr>
                <tr>
                  <td rowspan="4">40 to 49</td>
                  <td align="center" rowspan="4">20.44</td>
                  <td align="center" rowspan="4">26.84</td>
                  <td align="center" rowspan="4">25.38</td>
                  <td align="center">1996-1998</td>
                  <td align="center">9.8% (1.1 to 19.2; p&lt;0.01)</td>
                  <td align="center" rowspan="4">1.5% (0.1 to 2.9; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">1998-2001</td>
                  <td align="center">-4.6% (-12.1 to 3.6; p=0.2)</td>
                </tr>
                <tr>
                  <td align="center">2001-2008</td>
                  <td align="center">4.4% (3.0 to 5.9; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2008-2016</td>
                  <td align="center">-0.7% (-1.6 to 0.2; p=0.2)</td>
                </tr>
                <tr>
                  <td rowspan="2">50 to 59</td>
                  <td align="center" rowspan="2">52.99</td>
                  <td align="center" rowspan="2">78.25</td>
                  <td align="center" rowspan="2">74.40</td>
                  <td align="center">1996-2008</td>
                  <td align="center">3.3% (2.7 to 3.9; p&lt;0.01)</td>
                  <td align="center" rowspan="2">1.6% (1.1 to 2.2; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2008-2016</td>
                  <td align="center">-0.7% (-1.8 to 0.3; p=0.3)</td>
                </tr>
                <tr>
                  <td rowspan="3">60 or older</td>
                  <td align="center" rowspan="3">202.03</td>
                  <td align="center" rowspan="3">382.28</td>
                  <td align="center" rowspan="3">323.15</td>
                  <td align="center">1996-2003</td>
                  <td align="center">3.3% (2.2 to 4.3; p&lt;0.01)</td>
                  <td align="center" rowspan="3">3.3% (2.5 to 4.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2003-2007</td>
                  <td align="center">8.5% (4.6 to 12.6; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2007-2016</td>
                  <td align="center">1.0% (0.4 to 1.7; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td rowspan="3">Overall population</td>
                  <td align="center" rowspan="3">22.14</td>
                  <td align="center" rowspan="3">52.40</td>
                  <td align="center" rowspan="3">36.82</td>
                  <td align="center">1996-2004</td>
                  <td align="center">4.0% (3.3 to 4.7; p&lt;0.01)</td>
                  <td align="center" rowspan="3">4.4% (3.5 to 5.3; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2004-2007</td>
                  <td align="center">10.5% (3.9 to 17.4; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td align="center">2007-2016</td>
                  <td align="center">2.8% (2.2 to 3.4; p&lt;0.01)</td>
                </tr>
              </tbody>
            </table>
            <table-wrap-foot>
              <fn id="TFN2001">
                <p>
                  <italic>APC: Annual Percent Change. AAPC: Average Annual Percent Change.</italic>
                </p>
              </fn>
            </table-wrap-foot>
          </table-wrap>
        </p>
        <p>
          <table-wrap id="t3001">
            <label>Table 3</label>
            <caption>
              <title>&#8211; Average Annual Percent Change (AAPC) of the mortality rate from Ischemic Heart Diseases (IHD), according to gender and state of residence. Northeast, Brazil, 1996-2016</title>
            </caption>
            <table frame="hsides" rules="groups">
              <colgroup>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
              </colgroup>
              <thead>
                <tr>
                  <th align="left" rowspan="2">State</th>
                  <th colspan="3">Male</th>
                  <th colspan="3">Female</th>
                </tr>
                <tr>
                  <th>1996</th>
                  <th>2016</th>
                  <th>AAPC (95%CI; p value)</th>
                  <th>1996</th>
                  <th>2016</th>
                  <th>AAPC (95%CI; p value)</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Maranh&#227;o</td>
                  <td align="center">12.06</td>
                  <td align="center">62.75</td>
                  <td align="center">8.7% (7.0 to 10.5; p&lt;0.01)</td>
                  <td align="center">6.20</td>
                  <td align="center">38.89</td>
                  <td align="center">9.3% (7.1 to 11.7; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Piau&#237;</td>
                  <td align="center">16.16</td>
                  <td align="center">75.49</td>
                  <td align="center">7.9% (4.4 to 11.5; p&lt;0.01)</td>
                  <td align="center">9.98</td>
                  <td align="center">45.16</td>
                  <td align="center">8.4% (7.3 to 9.5; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Cear&#225;</td>
                  <td align="center">20.65</td>
                  <td align="center">56.89</td>
                  <td align="center">5.1% (4.5 to 5.8; p&lt;0.01)</td>
                  <td align="center">15.55</td>
                  <td align="center">41.70</td>
                  <td align="center">5.0% (3.9 to 5.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Rio Grande do Norte</td>
                  <td align="center">39.61</td>
                  <td align="center">74.56</td>
                  <td align="center">3.5% (3.1 to 3.9; p&lt;0.01)</td>
                  <td align="center">27.88</td>
                  <td align="center">53.24</td>
                  <td align="center">3.9% (3.4 to 4.4; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Para&#237;ba</td>
                  <td align="center">20.88</td>
                  <td align="center">78.08</td>
                  <td align="center">6.8% (5.5 to 8.1; p&lt;0.01)</td>
                  <td align="center">15.53</td>
                  <td align="center">60.00</td>
                  <td align="center">7.1% (5.2 to 9.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Pernambuco</td>
                  <td align="center">49.59</td>
                  <td align="center">85.82</td>
                  <td align="center">2.4% (1.5 to 3.3; p&lt;0.01)</td>
                  <td align="center">36.93</td>
                  <td align="center">64.36</td>
                  <td align="center">2.3% (1.3 to 3.3; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Alagoas</td>
                  <td align="center">23.73</td>
                  <td align="center">61.02</td>
                  <td align="center">4.7% (3.1 to 6.3; p&lt;0.01)</td>
                  <td align="center">15.95</td>
                  <td align="center">47.96</td>
                  <td align="center">5.3% (4.5 to 6.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Sergipe</td>
                  <td align="center">19.25</td>
                  <td align="center">42.47</td>
                  <td align="center">4.4% (3.1 to 5.7; p&lt;0.01)</td>
                  <td align="center">18.58</td>
                  <td align="center">35.80</td>
                  <td align="center">2.7% (0.5 to 4.9; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>Bahia</td>
                  <td align="center">21.35</td>
                  <td align="center">39.39</td>
                  <td align="center">3.6% (3.2 to 4.1; p&lt;0.01)</td>
                  <td align="center">16.32</td>
                  <td align="center">29.05</td>
                  <td align="center">3.6% (2.7 to 4.4; p&lt;0.01)</td>
                </tr>
              </tbody>
            </table>
            <table-wrap-foot>
              <fn id="TFN3001">
                <p>
                  <italic>APC: Annual Percent Change. AAPC: Average Annual Percent Change.</italic>
                </p>
              </fn>
            </table-wrap-foot>
          </table-wrap>
        </p>
        <p>In the stratification according to the age group, the regression model showed a tendency for mortality growth in all age segments, with the exception of the group aged 30 to 39 years (AAPC 0.9%; 95%CI: -0.8 to 2.5; p=0.4) (<xref rid="t2001" ref-type="table">Table 2</xref>). The regional mortality rate in individuals aged 60 years or older increased from 202.0/100,000 in 1996 to 382.3/100,000 inhabitants in 2016, with an average annual growth of 3.3% (95%CI: 2.5 to 4.1; p&lt;0.01). The age group 60 years or older was the only one with a statistically significant growth in all states, especially the states of Maranh&#227;o (AAPC 8.4%; 95%CI: 6.3 to 10.5; p&lt;0.01) and Piau&#237; (AAPC 6.5%; 95%CI: 5.3 to 7.7; p&lt;0.01) (<xref rid="t4001" ref-type="table">Table 4</xref>).</p>
        <p>
          <table-wrap id="t4001">
            <label>Table 4</label>
            <caption>
              <title>&#8211; Average Annual Percent Change (AAPC) of crude mortality rate from Ischemic Heart Disease (IHD), according to age range and state of residence. Northeast, Brazil, 1996-2016</title>
            </caption>
            <table frame="hsides" rules="groups">
              <colgroup>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
                <col/>
              </colgroup>
              <tbody>
                <tr>
                  <td align="left" rowspan="3">
                    <bold>Age Range</bold>
                  </td>
                  <td colspan="3" align="center">
                    <bold>Maranh&#227;o</bold>
                  </td>
                  <td colspan="3" align="center">
                    <bold>Piau&#237;</bold>
                  </td>
                  <td colspan="3" align="center">
                    <bold>Cear&#225;</bold>
                  </td>
                </tr>
                <tr>
                  <td colspan="2" align="center">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                  <td colspan="2" align="center">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                  <td colspan="2" align="center">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                </tr>
                <tr>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                </tr>
                <tr>
                  <td>0 to 9</td>
                  <td align="center">0.00</td>
                  <td align="center">0.14</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.19</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.07</td>
                  <td align="center">-</td>
                </tr>
                <tr>
                  <td>10 to 19</td>
                  <td align="center">0.00</td>
                  <td align="center">0.50</td>
                  <td align="center">-</td>
                  <td align="center">0.15</td>
                  <td align="center">0.84</td>
                  <td align="center">7.0% (2.9 to 11.3; p&lt;0.01)</td>
                  <td align="center">0.51</td>
                  <td align="center">0.56</td>
                  <td align="center">4.9% (-0.3 to 10.4; p=0.5)</td>
                </tr>
                <tr>
                  <td>20 to 29</td>
                  <td align="center">0.12</td>
                  <td align="center">3.25</td>
                  <td align="center">9.0% (4.9 to 13.2; p&lt;0.01)</td>
                  <td align="center">0.93</td>
                  <td align="center">3.42</td>
                  <td align="center">6.2% (3.6 to 8.9; p&lt;0.01)</td>
                  <td align="center">1.16</td>
                  <td align="center">1.39</td>
                  <td align="center">0.7% (-0.6 to 2.1; p=0.3)</td>
                </tr>
                <tr>
                  <td>30 to 39</td>
                  <td align="center">3.17</td>
                  <td align="center">11.62</td>
                  <td align="center">5.8% (4.7 to 7.0; p&lt;0.01)</td>
                  <td align="center">6.09</td>
                  <td align="center">10.00</td>
                  <td align="center">3.5% (2.0 to 5.1; p&lt;0.01)</td>
                  <td align="center">5.80</td>
                  <td align="center">5.31</td>
                  <td align="center">0.8% (-0.3 to 1.9; p=0.3)</td>
                </tr>
                <tr>
                  <td>40 to 49</td>
                  <td align="center">10.46</td>
                  <td align="center">35.96</td>
                  <td align="center">6.1% (1.5 to 11.0; p&lt;0.01)</td>
                  <td align="center">14.71</td>
                  <td align="center">31.10</td>
                  <td align="center">3.5% (2.5 to 4.5; p&lt;0.01)</td>
                  <td align="center">15.29</td>
                  <td align="center">20.40</td>
                  <td align="center">2.1% (1.2 to 3.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>50 to 59</td>
                  <td align="center">29.12</td>
                  <td align="center">90.17</td>
                  <td align="center">5.7% (3.2 to 8.1; p&lt;0.01)</td>
                  <td align="center">34.61</td>
                  <td align="center">87.61</td>
                  <td align="center">3.5% (1.4 to 5.6; p&lt;0.01)</td>
                  <td align="center">38.07</td>
                  <td align="center">66.06</td>
                  <td align="center">1.9% (0.5 to 3.4; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>60 +</td>
                  <td align="center">94.19</td>
                  <td align="center">446.37</td>
                  <td align="center">8.4% (6.3 to 10.5; p&lt;0.01)</td>
                  <td align="center">114.40</td>
                  <td align="center">432.41</td>
                  <td align="center">6.5% (5.3 to 7.7; p&lt;0.01)</td>
                  <td align="center">157.12</td>
                  <td align="center">361.26</td>
                  <td align="center">3.9% (2.8 to 5.1; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td rowspan="3">
                    <bold>Age Range</bold>
                  </td>
                  <td align="center" colspan="3">
                    <bold>Rio Grande do Norte</bold>
                  </td>
                  <td align="center" colspan="3">
                    <bold>Para&#237;ba</bold>
                  </td>
                  <td align="center" colspan="3">
                    <bold>Pernambuco</bold>
                  </td>
                </tr>
                <tr>
                  <td align="center" colspan="2">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                  <td align="center" colspan="2">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                  <td align="center" colspan="2">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                </tr>
                <tr>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                </tr>
                <tr>
                  <td>0 to 9</td>
                  <td align="center">0.18</td>
                  <td align="center">0.00</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.16</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.07</td>
                  <td align="center">-</td>
                </tr>
                <tr>
                  <td>10 to 19</td>
                  <td align="center">0.34</td>
                  <td align="center">0.34</td>
                  <td align="center">-</td>
                  <td align="center">0.51</td>
                  <td align="center">0.15</td>
                  <td align="center">-</td>
                  <td align="center">0.23</td>
                  <td align="center">0.54</td>
                  <td align="center">4.5% (0.9 to 8.3; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td>20 to 29</td>
                  <td align="center">1.14</td>
                  <td align="center">1.83</td>
                  <td align="center">4.7% (0.8 to 8.7; p&lt;0.01)</td>
                  <td align="center">0.92</td>
                  <td align="center">2.42</td>
                  <td align="center">5.1% (2.7 to 7.5; p&lt;0.01)</td>
                  <td align="center">2.10</td>
                  <td align="center">2.75</td>
                  <td align="center">1.5% (-0.3 to 3.2; p=0.4)</td>
                </tr>
                <tr>
                  <td>30 to 39</td>
                  <td align="center">7.16</td>
                  <td align="center">7.45</td>
                  <td align="center">2.0% (0.2 to 3.7; p&lt;0.01)</td>
                  <td align="center">4.12</td>
                  <td align="center">7.30</td>
                  <td align="center">4.7% (3.5 to 5.9; p&lt;0.01)</td>
                  <td align="center">9.65</td>
                  <td align="center">9.13</td>
                  <td align="center">-1.1% (-5.9 to 4.1; p=0.4)</td>
                </tr>
                <tr>
                  <td>40 to 49</td>
                  <td align="center">23.52</td>
                  <td align="center">28.02</td>
                  <td align="center">1.1% (0.2 to 2.0; p&lt;0.01)</td>
                  <td align="center">14.54</td>
                  <td align="center">34.14</td>
                  <td align="center">4.2% (1.4 to 7.1; p&lt;0.01)</td>
                  <td align="center">33.08</td>
                  <td align="center">35.25</td>
                  <td align="center">-0.2% (-3.3 to 3.0; p=0.2)</td>
                </tr>
                <tr>
                  <td>50 to 59</td>
                  <td align="center">69.14</td>
                  <td align="center">88.46</td>
                  <td align="center">1.3% (0.4 to 2.2; p&lt;0.01)</td>
                  <td align="center">31.84</td>
                  <td align="center">84.49</td>
                  <td align="center">5.7% (3.9 to 7.4; p&lt;0.01)</td>
                  <td align="center">98.89</td>
                  <td align="center">114.28</td>
                  <td align="center">0.6% (-0.8 to 2.0; p=0.2)</td>
                </tr>
                <tr>
                  <td>60 +</td>
                  <td align="center">298.31</td>
                  <td align="center">452.97</td>
                  <td align="center">2.4% (1.8 to 3.0; p&lt;0.01)</td>
                  <td align="center">138.19</td>
                  <td align="center">469.44</td>
                  <td align="center">6.3% (4.8 to 7.7; p&lt;0.01)</td>
                  <td align="center">378.85</td>
                  <td align="center">520.30</td>
                  <td align="center">1.2% (0.4 to 1.9; p&lt;0.01)</td>
                </tr>
                <tr>
                  <td rowspan="3">
                    <bold>Age Range</bold>
                  </td>
                  <td align="center" colspan="3">
                    <bold>Alagoas</bold>
                  </td>
                  <td align="center" colspan="3">
                    <bold>Sergipe</bold>
                  </td>
                  <td align="center" colspan="3">
                    <bold>Bahia</bold>
                  </td>
                </tr>
                <tr>
                  <td align="center" colspan="2">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                  <td align="center" colspan="2">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                  <td align="center" colspan="2">
                    <bold>Rates</bold>
                  </td>
                  <td align="center">
                    <bold>AAPC</bold>
                  </td>
                </tr>
                <tr>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                  <td align="center">
                    <bold>1996</bold>
                  </td>
                  <td align="center">
                    <bold>2016</bold>
                  </td>
                  <td align="center">
                    <bold>(95%CI)</bold>
                  </td>
                </tr>
                <tr>
                  <td>0 to 9</td>
                  <td align="center">0.00</td>
                  <td align="center">0.17</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.00</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.08</td>
                  <td align="center">-</td>
                </tr>
                <tr>
                  <td>10 to 19</td>
                  <td align="center">0.00</td>
                  <td align="center">0.15</td>
                  <td align="center">-</td>
                  <td align="center">0.00</td>
                  <td align="center">0.00</td>
                  <td align="center">-</td>
                  <td align="center">0.13</td>
                  <td align="center">0.23</td>
                  <td align="center">-</td>
                </tr>
                <tr>
                  <td>20 to 29</td>
                  <td align="center">0.66</td>
                  <td align="center">2.13</td>
                  <td align="center">3.2% (0.7 to 5.7; p&lt;0.01)</td>
                  <td align="center">0.35</td>
                  <td align="center">0.50</td>
                  <td align="center">-2.9% (-7.1 to 1.5; p=0.4)</td>
                  <td align="center">0.75</td>
                  <td align="center">0.99</td>
                  <td align="center">0.8% (-0.7 to 2.3; p=0.6)</td>
                </tr>
                <tr>
                  <td>30 to 39</td>
                  <td align="center">6.73</td>
                  <td align="center">5.34</td>
                  <td align="center">-0.8% (-2.3 to 0.6; p=0.2)</td>
                  <td align="center">5.59</td>
                  <td align="center">4.21</td>
                  <td align="center">1.1% (-0.9 to 3.1; p=0.3)</td>
                  <td align="center">4.31</td>
                  <td align="center">5.34</td>
                  <td align="center">0.4% (-0.5 to 1.2; p=0.6)</td>
                </tr>
                <tr>
                  <td>40 to 49</td>
                  <td align="center">31.05</td>
                  <td align="center">36.91</td>
                  <td align="center">0.3% (-2.2 to 2.9; p=0.2)</td>
                  <td align="center">12.47</td>
                  <td align="center">26.10</td>
                  <td align="center">2.9% (-0.3 to 6.1; p=0.3)</td>
                  <td align="center">20.10</td>
                  <td align="center">16.87</td>
                  <td align="center">-0.1% (-0.8 to 0.6; p=0.7)</td>
                </tr>
                <tr>
                  <td>50 to 59</td>
                  <td align="center">61.26</td>
                  <td align="center">95.11</td>
                  <td align="center">1.6% (-1.6 to 4.8; p=0.3)</td>
                  <td align="center">55.05</td>
                  <td align="center">67.15</td>
                  <td align="center">1.6% (0.6 to 2.7; p&lt;0.01)</td>
                  <td align="center">45.72</td>
                  <td align="center">50.89</td>
                  <td align="center">0.3% (-0.7 to 1.3; p=0.2)</td>
                </tr>
                <tr>
                  <td>60 +</td>
                  <td align="center">182.72</td>
                  <td align="center">428.16</td>
                  <td align="center">4.3% (3.8 to 4.9; p&lt;0.01)</td>
                  <td align="center">177.36</td>
                  <td align="center">308.36</td>
                  <td align="center">2.9% (1.7 to 4.0; p&lt;0.01)</td>
                  <td align="center">177.50</td>
                  <td align="center">236.80</td>
                  <td align="center">2.2% (1.7 to 2.7; p&lt;0.01)</td>
                </tr>
              </tbody>
            </table>
            <table-wrap-foot>
              <fn id="TFN4001">
                <p>
                  <italic>APC: Annual Percent Change. AAPC: Average Annual Percent Change.</italic>
                </p>
              </fn>
            </table-wrap-foot>
          </table-wrap>
        </p>
        <p>Finally, a divergence in the trend by age group was observed when comparing the states. In Piau&#237;, for example, there was an increase in all age groups starting from ten years of age, while in Bahia, the increase was observed only in the elderly segment (60 years or older) (<xref rid="t4001" ref-type="table">Table 4</xref>).</p>
      </sec>
      <sec sec-type="discussion">
        <title>Discussion</title>
        <p>This study analyzed the socio-demographic profile and the temporal behavior of mortality from IHD in the Northeast region of Brazil from 1996 to 2016. The profile of deaths was characterized by a predominance of males, involvement of the elderly, brown ethnicity/skin color, and low level of schooling. The temporal analysis showed an increase in the mortality rate in the region and in all states, especially in Maranh&#227;o and Piau&#237;.</p>
        <p>The profile observed in this study is in line with that observed in the literature.<sup><xref rid="B1" ref-type="bibr">1</xref>,<xref rid="B7" ref-type="bibr">7</xref>,<xref rid="B17" ref-type="bibr">17</xref>-<xref rid="B20" ref-type="bibr">20</xref></sup> The population&#8217;s aging process brings with it an increase in risk factors for cardiovascular diseases, especially dyslipidemia, obesity, and SAH.<sup><xref rid="B2" ref-type="bibr">2</xref></sup> A study conducted in the city of S&#227;o Paulo shows that the odds ratio of developing CVD is higher in diabetics (Odds Ratio - OR 1.90), smokers (OR 1.49), overweight individuals (OR 1.57), and hypertensive individuals (OR 2.22).<sup><xref rid="B20" ref-type="bibr">20</xref></sup> It is estimated that the prevalence of SAH in the elderly is six to eight times higher than in young adults, justified by poor blood pressure control, due to the chronicity of the disease and sensitivity and restrictions in pharmacotherapy. In a study carried out in Goi&#226;nia, state of Goi&#225;s, of the 912 individuals with SAH that were interviewed, 72.6% were undergoing treatment and only 50.8% had achieved blood pressure control.<sup><xref rid="B21" ref-type="bibr">21</xref></sup></p>
        <p>It is pertinent to highlight the growth of mortality in adolescence, as observed in this investigation. In this population, studies point to a wide range of factors associated with overweight and obesity, such as i) excessive intake of simple sugars and fats, ii) insufficient consumption of fruits and vegetables, and iii) sedentary lifestyle, which may result in early mortality.<sup><xref rid="B22" ref-type="bibr">22</xref></sup> The Study of Cardiovascular Risks in Adolescents (ERICA) carried out from 2013 to 2014 reported the prevalence of metabolic syndrome in 3.3% of those who were overweight and 21.7% of those who were obese in the Northeast region.<sup><xref rid="B23" ref-type="bibr">23</xref></sup></p>
        <p>The medical importance of lipid profile alterations is related to the presence of subclinical atherosclerosis and the possibility of predicting dyslipidemia in adulthood; in the ERICA study, we observed a higher prevalence of low HDL (High Density Lipoprotein) levels in the North and Northeast regions of Brazil.<sup><xref rid="B24" ref-type="bibr">24</xref></sup> A study conducted in Bel&#233;m, state of Par&#225; in 2006, involving 437 children and adolescents, showed that 28.8% were overweight and 36% had high body fat percentage. Of these, 49% showed changes in lipid profile, especially low HDL levels.<sup><xref rid="B25" ref-type="bibr">25</xref></sup> Similar results were observed in Porto Alegre, state of Rio Grande do Sul, where an increase in dyslipidemia secondary to obesity was observed, characterized by low HDL levels and increased triglyceride levels, secondary to insulin resistance.<sup><xref rid="B26" ref-type="bibr">26</xref></sup></p>
        <p>The cardiovascular risk is also influenced by gender, being higher in the male population. A study on hypertension in Goi&#226;nia - GO, conducted in 2010, showed that the rate of control of blood pressure levels is lower in the male population (44.0% in men and 54.8% in women).<sup><xref rid="B21" ref-type="bibr">21</xref></sup> In Montes Claros, state of Minas Gerais, 62.8% of diabetes mellitus cases are identified in women, justified by the greater demand for medical care by this population. Women also show greater and better adherence to treatment.<sup><xref rid="B27" ref-type="bibr">27</xref></sup> Moreover, women have biological and behavioral characteristics capable of reducing the risk of cardiovascular disease, highlighting the protective role of estradiol on the vascular endothelium, greater access to health services and better performance in the control of risk factors.<sup><xref rid="B17" ref-type="bibr">17</xref></sup></p>
        <p>The influence of socioeconomic development and access to health services on the pattern of mortality has been evidenced in different studies.<sup><xref rid="B28" ref-type="bibr">28</xref>-<xref rid="B30" ref-type="bibr">30</xref></sup> Research conducted in 2012 in the states of Rio de Janeiro, Rio Grande do Sul, and S&#227;o Paulo showed a correlation between increased <italic>per capita </italic>GDP and educational accomplishments with decreased mortality from IHD.<sup><xref rid="B31" ref-type="bibr">31</xref></sup> In the Northeast, Maranh&#227;o, at the same time that it showed the highest average percentage growth (7.6%) in mortality from IHD, it is characterized by being the state with the lowest <italic>per capita</italic> GDP - R$400.97 - and the second state with the highest illiteracy rate among people aged 18 or over (20.56%), second only to the state of Alagoas (21.47%).<sup><xref rid="B32" ref-type="bibr">32</xref></sup></p>
        <p>In Rio Grande do Sul, a statistically significant positive correlation was found for the GINI index and education, in addition to geographic distance. The distance shows that the geographical distributions of cardiac intervention reference centers directly influence, as an independent predictor of death, the mortality rate from IHD.<sup><xref rid="B33" ref-type="bibr">33</xref></sup> Another study also reports that, in line with socioeconomic disparities, the geographic distance factor becomes even more serious. Nevertheless, the creation of new reference services in cardiology is a possibility to solve the problem.<sup><xref rid="B34" ref-type="bibr">34</xref></sup></p>
        <p>Brazil has undertaken efforts to reduce the occurrence of IHD. In 2000, the Ministry of Health implemented the Reorganization Care Plan for Hypertension and Diabetes Mellitus. Its objectives are to have a computerized system to help with the registration and follow-up of patients with SAH and DM &#8211; HiperDia -, as well as to know the magnitude of the diseases, plan the acquisition of medicines, and train professionals in the Brazilian health network to act in the health care profile of the unified health system (UHS).<sup><xref rid="B35" ref-type="bibr">35</xref></sup></p>
        <p>In this context, a study conducted in Maring&#225;, state of Paran&#225;, showed that the impact of public policies, such as the Family Health Strategy (FHS), are associated with lower rates of hospitalization from Cardiovascular Conditions Sensitive to Primary Care (CCSPC). The success of the Primary Health Care (PHC) strategy is based on its approach to CVD risk factors, on the support to the self-management of health, along with longitudinal monitoring by health teams, in addition to their empowerment and autonomy.<sup><xref rid="B36" ref-type="bibr">36</xref></sup></p>
        <p>PHC contributes to the fight against smoking, to the expansion of access to health services, and to the distribution of medicines to control the IHD risk factors.<sup><xref rid="B37" ref-type="bibr">37</xref></sup> In a survey regarding the access to medication by PHC users, the medication availability dimension was low, around 46.3% to 64.3%, well below the 80% recommended by the World Health Organization (WHO).<sup><xref rid="B38" ref-type="bibr">38</xref></sup> The proposed alternative is to replace the non-available drug and refer patients to the &#8220;People&#8217;s Pharmacy&#8221;, although the control of chronic diseases may be jeopardized by this measure.<sup><xref rid="B39" ref-type="bibr">39</xref></sup></p>
        <p>The mortality growth trend is not homogeneous among the Northeastern states: there is a linear growth in the states of Alagoas and Rio Grande do Norte, rate instability in Pernambuco, and a stationary pattern in most states from the second half of the first decade of the 21<sup>st</sup> century. Different factors may justify these findings, such as intra-regional socioeconomic differences, the influence of public policies, and the quality of information records.<sup><xref rid="B3" ref-type="bibr">3</xref>,<xref rid="B40" ref-type="bibr">40</xref>-<xref rid="B43" ref-type="bibr">43</xref></sup></p>
        <p>Even when considering the adopted methodological care, this study has limitations, especially the quality of mortality records, which is a challenge for the adequate monitoring of the health status and aid in decision-making. Additionally, the existence of garbage codes and operational difficulties in death surveillance are additional factors that compromise the quality of the records.</p>
      </sec>
      <sec sec-type="conclusions">
        <title>Conclusion</title>
        <p>The mortality rates in the Northeast region of Brazil showed significant growth in all its states, being higher in Maranh&#227;o and Piau&#237;. The profile of deaths was characterized by a predominance of elderly men, mixed race ethnicity/skin color, elementary school or &lt;4 years in school, and married individuals. During the period, the male gender showed significantly higher rates than the female gender, although with the same percentage of growth. The rate inequalities between the states demonstrate the need for strategies consistent with the local reality and particularities and the possible influence of living conditions of the population, with this being a recommendation for future studies. Considering the finding of a higher annual rate of increase in the adolescent age group, which is a matter of concern, further investigations on cardiovascular mortality in adolescents are required.</p>
      </sec>
    </body>
    <back>
      <fn-group>
        <fn fn-type="other">
          <p>Study Association</p>
          <p>This study is not associated with any thesis or dissertation work.</p>
        </fn>
      </fn-group>
      <fn-group>
        <fn fn-type="supported-by">
          <p><bold>Sources of Funding</bold>: There were no external funding sources for this study.</p>
        </fn>
      </fn-group>
    </back>
  </sub-article>
</article>
