<?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>2448-9190</journal-id>
<journal-title><![CDATA[Revista alergia México]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. alerg. Méx.]]></abbrev-journal-title>
<issn>2448-9190</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Inmunología Clínica y Alergia A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-91902021000300152</article-id>
<article-id pub-id-type="doi">10.29262/ram.v67i3.893</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de eosinofilia en sangre en adultos con EPOC según el punto de corte]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of blood eosinophilia in adults with COPD according to the cut-off point]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bedolla-Barajas]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Romero]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bedolla-Pulido]]></surname>
<given-names><![CDATA[Tonantzin Isis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Razo]]></surname>
<given-names><![CDATA[Miriam Montzerrat]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosales]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arellano-Arteaga]]></surname>
<given-names><![CDATA[Kevin Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paz-Velarde]]></surname>
<given-names><![CDATA[Beatriz Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Nuevo Hospital Civil de Guadalajara Dr. Juan I. Menchaca Servicio de Alergia e Inmunología Clínica ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Veracruzana Instituto de Salud Pública ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Nuevo Hospital Civil de Guadalajara Dr. Juan I. Menchaca Servicio de Neumología ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Nuevo Hospital Civil de Guadalajara Dr. Juan I. Menchaca Servicio de Medicina Interna ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>68</volume>
<numero>3</numero>
<fpage>152</fpage>
<lpage>159</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-91902021000300152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-91902021000300152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-91902021000300152&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Establecer la prevalencia de eosinofilia en sangre en adultos con enfermedad pulmonar obstructiva crónica (EPOC) según varios puntos de corte.  Métodos: Se realizó un estudio transversal en pacientes con EPOC. La frecuencia de eosinofilia en sangre se determinó a partir de la concentración absoluta (células/µL) y relativa (%) de eosinófilos. Fueron realizados modelos multivariados para identificar factores asociados.  Resultados: En 81 pacientes incluidos, la edad promedio fue de 71.9 ± 9.8 años; de los cuales, 46 (57 %) fueron hombres. La prevalencia de eosinofilia para los puntos de corte &#8805; 100, &#8805; 150, &#8805; 200, &#8805; 300 y &#8805; 400 células/µL fue de 64.2, 43.2, 37.0, 16.1 y 9.9 %, respectivamente. De 81 pacientes, 34 (42 %) tuvieron una concentración &#8805; 2 %; 21 (25.9 %) &#8805; 3 %; 14 (17.3 %) &#8805; 4 %; y 10 (12.3 %) &#8805; 5 %. La eosinofilia &#8805; 100 células/µL se asoció con la edad &#8805; 80 años (RM = 6.04, p = 0.026) y con la exacerbación de la EPOC (RM = 9.40, p = 0.038); en cambio, la eosinofilia &#8805; 2 %, lo hizo con solamente la edad &#8805; 80 años (RM = 3.73, p = 0.020). Complementariamente, la concentración de eosinófilos &#8805; 100 y &lt; 300 células/µL se asoció con la exacerbación de la EPOC (RM = 11.00, p = 0.026).  Conclusiones:  Nuestros resultados sugieren que la frecuencia de eosinofilia en EPOC muestra variaciones sustanciales según la definición adoptada.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To determine the prevalence of blood eosinophilia in adults with chronic obstructive pulmonary disease (COPD) according to different cut-off points.  Methods: A cross-sectional study was carried out in patients with COPD. The frequency of blood eosinophilia was determined by absolute (cells/ µL) and relative (%) eosinophil count. Multivariate methods were used in order to identify the associated factors.  Results: 81 patients were included; the mean age was 71.9 ± 9.8 years; 46 (57%) of the patients were men. The prevalence of eosinophilia for the cut-off points of &#8805; 100, &#8805; 150, &#8805; 200, &#8805; 300, and &#8805; 400 cells/µL was of 64.2%, 37.0%, 16.1%, and 9.9% respectively. Out of 81 patients, 34 (42%) had a relative eosinophil concentration of &#8805; 2%; 21 (25.9%) &#8805; 3%; 14 patients (17.3%) had &#8805; 4%; and 10 patients (12.3%) had &#8805; 5%. Eosinophilia of &#8805; 100 cells/µL was associated with age of &#8805; 80 years (OR = 6.04, p = 0.026), and with the exacerbation of COPD (OR = 9.40, p = 0.038); in contrast, eosinophilia of &#8805; 2% was associated only with age of &#8805; 80 years (OR = 3.73, p = 0.020). In addition, the eosinophil count of &#8805; 100 and &lt; 300 cells/µL was associated with the exacerbation of COPD (OR = 11.00, p = 0.026).  Conclusions: Our results suggest that the frequency of eosinophilia in the context of COPD shows substantial variations according to the used definition.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Eosinophils]]></kwd>
<kwd lng="en"><![CDATA[Chronic obstructive pulmonary disease]]></kwd>
<kwd lng="en"><![CDATA[Adult]]></kwd>
<kwd lng="en"><![CDATA[Cross-sectional study]]></kwd>
<kwd lng="es"><![CDATA[Eosinófilos]]></kwd>
<kwd lng="es"><![CDATA[Enfermedad pulmonar obstructiva crónica]]></kwd>
<kwd lng="es"><![CDATA[Adulto]]></kwd>
<kwd lng="es"><![CDATA[Estudio transversal]]></kwd>
</kwd-group>
</article-meta>
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