<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352019000300100</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Validity, sensitivity and specificity of a scale to assess cardiovascular symptoms]]></article-title>
<article-title xml:lang="es"><![CDATA[Validez, sensibilidad y especificidad de una escala para evaluar los síntomas cardiovasculares]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez-García]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Muñoz]]></surname>
<given-names><![CDATA[Elvia Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre-Moreno]]></surname>
<given-names><![CDATA[Alcides]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Morelos  ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara  ]]></institution>
<addr-line><![CDATA[Guadalajara Jal]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>30</volume>
<numero>3</numero>
<fpage>100</fpage>
<lpage>113</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352019000300100&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352019000300100&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352019000300100&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  To analyze the validity, internal consistency, sensitivity and specificity of a scale of cardiovascular symptoms (ESCV-10).  Material and methods:  Two studies were carried out in which confirmatory factorial analyses were done, the Cronbach alpha and omega of the scale were calculated, and ROC curves were estimated. In addition, criterion validity was analyzed using different standards in two studies. In study 1, 151 apparently healthy public transport drivers participated, from whom total cholesterol, LDL, HDL, glucose, triglycerides, and blood pressure were obtained, which were used as proxy bio-markers of cardiovascular health status. The sample of study 2, were cases of diagnosed ischemic heart diseases, reported in a public hospital (n = 57), which were paired with healthy people with similar sociodemographic characteristics (n = 69) for comparative purposes.  Results:  The 2 studies showed a replica of the unifactorial structure of the scale and good psychometric properties in general, in particular by eliminating 2 items (ESCV-8). Although in study 1 the scale was correlated weakly with biomarkers, in study 2 it discriminated effectively between heart and healthy patients and showed levels of acceptable sensitivity and specificity (&gt; 80% and &gt; 70% respectively).  Conclusions:  In general, the findings showed that the scores of the proposed scale of cardiovascular symptoms (ESCV), in particular in its 8-item version, has psychometric validity and acceptable levels of sensitivity and specificity, so that it could be used reliably, as an initial screening tool for cardiovascular health. Future findings and perspectives are discussed.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Analizar la validez, consistencia interna, sensibilidad y especificidad de una escala de síntomas cardiovasculares (ESCV-10).  Material y métodos:  Se realizaron dos estudios en los que se efectuaron análisis factoriales confirmatorios, se calculó el alfa de Cronbach y omega de la escala, y se estimaron curvas ROC. Adicionalmente, se analizó la validez de criterio empleando diferentes estándares en dos estudios. En el estudio 1 participaron 151 conductores de transporte público aparentemente sanos, de quienes se obtuvieron niveles de colesterol total, LDL, HDL, glucosa, triglicéridos y tensión arterial, los cuales fueron utilizados como biomarcadores proxy del estado de salud cardiovascular. En la muestra del estudio 2, participaron casos diagnosticados con cardiopatía isquémica en un hospital público (n = 57), los que fueron emparejados con personas sanas de similares características sociodemográficas (n = 69) con fines comparativos.  Resultados:  En los dos estudios se evidenció una réplica de la estructura unifactorial de la escala y buenas propiedades psicométricas en general, en particular al eliminar dos ítems (ESCV-8). Aunque en el estudio 1 la escala correlacionó débilmente con los biomarcadores, en el estudio 2 discriminó eficazmente entre cardiópatas y sanos, y mostró niveles de sensibilidad y especificidad aceptables (&gt; 80 y &gt; 70%, respectivamente).  Conclusiones:  En general, los hallazgos muestran que los puntajes de la escala de síntomas cardiovasculares (ESCV) propuesta, en particular en su versión de ocho ítems, tienen validez psicométrica y aceptables niveles de sensibilidad y especificidad, por lo que puede utilizarse de manera confiable como instrumento de tamizaje inicial para la salud cardiovascular. Se discuten hallazgos y perspectivas futuras.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Validity]]></kwd>
<kwd lng="en"><![CDATA[screening]]></kwd>
<kwd lng="en"><![CDATA[symptoms]]></kwd>
<kwd lng="en"><![CDATA[cardiovascular diseases]]></kwd>
<kwd lng="es"><![CDATA[Validez]]></kwd>
<kwd lng="es"><![CDATA[tamizaje]]></kwd>
<kwd lng="es"><![CDATA[síntomas]]></kwd>
<kwd lng="es"><![CDATA[enfermedad cardiovascular]]></kwd>
</kwd-group>
</article-meta>
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