<?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>0120-0011</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[rev.fac.med.]]></abbrev-journal-title>
<issn>0120-0011</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-00112018000200179</article-id>
<article-id pub-id-type="doi">10.15446/revfacmed.v66n2.63571</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Reference values for spirometric variables for allegedly healthy workers]]></article-title>
<article-title xml:lang="es"><![CDATA[Valores de referencia de las variables espirométricas en trabajadores cubanos supuestamente sanos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Porbén]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Marrero]]></surname>
<given-names><![CDATA[Adamara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivieso-Valdivieso]]></surname>
<given-names><![CDATA[Juan Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santana-Porbén]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud de los Trabajadores  ]]></institution>
<addr-line><![CDATA[Havana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Salud de los Trabajadores  ]]></institution>
<addr-line><![CDATA[Havana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Pediátrico Docente Juan Manuel Márquez  ]]></institution>
<addr-line><![CDATA[Havana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>66</volume>
<numero>2</numero>
<fpage>179</fpage>
<lpage>185</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-00112018000200179&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-00112018000200179&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-00112018000200179&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Spirometry in workers exposed to air pollutants allows for early identification of lung function impairment. Reference values (RV) for spirometric variables (SV) obtained in Cuban workers (CW) are not available.  Objective: To obtain adequate SV-specific RV adequate for supposedly healthy CW.  Materials and methods: Retrospective, analytical study. Forced vital capacity (FVC), forced expiratory volume in the first second (FEV1), FEV1/FVC ratio and 25-75% forced expiration fraction for FVC (FEF25 75) values were observed in 1 088 allegedly healthy, non-smoker workers from both sexes, aged between 20 - 65 years, assisted at the Instituto Nacional de la Salud de los Trabajadores (INSAT) in Havana (Cuba) between 2009 and 2015. RV were obtained for each sex as solutions of the regression function (RF) &#933;=&#945;+&#946; x age+&#967; x height+&#949; (Y: FVC, FSV1, FEV1/FVC, FEF25-75).  Results: Advanced ages were associated with lower FVC and FEV1. Taller individuals showed higher FVC and FEV1. A RF including age and height implied a higher coefficient of determination r2 and lower estimation of &#949; error. Behavior of SV values predicted with the locally developed equation was less biased than those obtained with other foreign equations.  Conclusions: Locally developed RV may be more effective for diagnosing lung diseases in CW.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. La espirometría permite identificar de forma precoz el deterioro pulmonar en trabajadores expuestos a contaminantes laborales. No se tienen valores de referencia (VR) para variables espirométricas (VE) en trabajadores cubanos (TC).  Objetivo. Obtener VR para VE en TC supuestamente sanos.  Materiales y métodos. Estudio retrospectivo-analítico. Se obtuvo la capacidad vital forzada (CVF), el volumen espiratorio forzado en el primer segundo (VEF1), el cociente VEF1/CVF y la fracción de la espiración forzada al 25-75% de la CVF (FEF25-75) de 1 086 TC supuestamente sanos, no fumadores, de ambos sexos, con edades entre 20 y 65 años y atendidos en el Instituto Nacional de la Salud de los Trabajadores de La Habana, Cuba, entre 2009 y 2015. Los VR se obtuvieron para cada sexo de las funciones de regresión &#933;=&#945;+&#946; x Edad+&#967; x Talla+&#949; (Y=CVF, VEF1, VEF/CVF, FEF25-75).  Resultados. Edades avanzadas se asociaron con CVF y VEF1 disminuidos; la talla elevada se asoció con mayores CVF y VEF1; una FR construida se asoció con la edad, y la talla implicó un coeficiente r2 de determinación superior y un error menor. El comportamiento de la VE predicho con la ecuación desarrollada fue menos sesgado que el observado con otras importadas.  Conclusiones. Los VR construidos localmente pueden ser más efectivos en el diagnóstico de las afecciones pulmonares de los TC.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Spirometry]]></kwd>
<kwd lng="en"><![CDATA[Reference Values]]></kwd>
<kwd lng="en"><![CDATA[Occupational Health (MeSH)]]></kwd>
<kwd lng="es"><![CDATA[Espirometría]]></kwd>
<kwd lng="es"><![CDATA[Valores de referencia]]></kwd>
<kwd lng="es"><![CDATA[Trabajador]]></kwd>
<kwd lng="es"><![CDATA[Salud laboral (DeCS)]]></kwd>
</kwd-group>
</article-meta>
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