<?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>0123-9392</journal-id>
<journal-title><![CDATA[Infectio]]></journal-title>
<abbrev-journal-title><![CDATA[Infect.]]></abbrev-journal-title>
<issn>0123-9392</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Infectología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-93922023000400210</article-id>
<article-id pub-id-type="doi">10.22354/24223794.1148</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Blood cell markers and acute phase reactants as a strategy to differentiate between pulmonary tuberculosis and community-acquired pneumonia: a retrospective cohort study]]></article-title>
<article-title xml:lang="es"><![CDATA[Marcadores hemáticos y reactantes de fase aguda como estrategia para diferenciar entre tuberculosis pulmonar y neumonía adquirida en la comunidad: un estudio de cohorte retrospectivo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Goyes]]></surname>
<given-names><![CDATA[Alirio Bastidas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tuta-Quintero]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arsanios]]></surname>
<given-names><![CDATA[Daniel Martin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora Posada]]></surname>
<given-names><![CDATA[Marlyn]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briceño Torres]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mauricio Calderón]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz Salcedo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garcia Bernal]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A0"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro Ruiz]]></surname>
<given-names><![CDATA[Kimberly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urrego Calderón]]></surname>
<given-names><![CDATA[Lizeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A2"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urrego Pérez]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernal Pineda]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Ortiz]]></surname>
<given-names><![CDATA[Angie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A5"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cubides-Díaz]]></surname>
<given-names><![CDATA[Diego Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A6"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mantilla Flórez]]></surname>
<given-names><![CDATA[Yesid Fabián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A7"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la Sabana Faculty of Medicine ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,aff2  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,aff3  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,aff4  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,aff5  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af6">
<institution><![CDATA[,aff6  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af7">
<institution><![CDATA[,Hospital Universitario de la Samaritana  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,aff8  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af9">
<institution><![CDATA[,Universidad Militar Nueva Granada Faculty of Medicine ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A10">
<institution><![CDATA[,aff10  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A11">
<institution><![CDATA[,aff11  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A12">
<institution><![CDATA[,aff12  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A13">
<institution><![CDATA[,aff13  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A14">
<institution><![CDATA[,aff14  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A15">
<institution><![CDATA[,aff15  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A16">
<institution><![CDATA[,aff16  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A17">
<institution><![CDATA[,aff17  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>27</volume>
<numero>4</numero>
<fpage>210</fpage>
<lpage>216</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-93922023000400210&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-93922023000400210&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-93922023000400210&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To determine the diagnostic yields of the different types of cell indices alone or in combination with C-reactive protein(CRP) to distinguish between Pulmonary-tuberculosis(PT) and community-acquired-pneumonia(CAP).  Methods: A retrospective cohort study was conducted in a high-complexity care center in Colombia, evaluating different types of cell indices in PT and CAP patients. A-receiver-operating-characteristic (ROC)-curve was plotted, and the area-under ROC-curve was calculated for each of these indices, as well as for CRP and procalcitonin values.  Results: A total of 544 subjects were included in the final analysis. Of these, 270(49,6%) were diagnosed with PT and 274(50,4%) with CAP. Patients with CAP had significantly higher levels of leukocytes, neutrophils, monocytes, hemoglobin, hematocrit, and platelets than patients with PT (p &lt; 0,05for-all-comparisons). Procalcitonin did not show significant differences between the groups (p=0,061). CRP has the highest ROC-curve for differentiating between PT and CAP, with ROC-curve of 0,76 (95%CI:0,71-0,88) and 0,75 (95%CI:0,71-0,80), respectively. Procalcitonin did not show discriminatory power for these two diseases, with an ROC-curve of 0,60 (95%CI:0,50-0,71).  Conclusion: CRP and blood-cell-markers were the best markers to differentiate between patients with PT and CAP. The performance of these markers was acceptable, suggesting that they could be useful in clinical setting for suspected tuberculosis or CAP.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Determinar el rendimiento diagnóstico de los diferentes tipos de índices celulares solos o en combinación con proteína C reactiva (PCR) para distinguir entre Tuberculosis Pulmonar (TP) y Neumonía Adquirida en la Comunidad (NAC).  Métodos: Se realizó un estudio de cohorte retrospectivo en un centro de atención de alta complejidad en Colombia, evaluando diferentes tipos de índices celulares en pacientes con TP y NAC. Se trazó una curva característica operativa del receptor (ROC) y se calculó el área bajo la curva ROC para cada uno de estos índices, así como para los valores de CRP y procalcitonina.  Resultados: Un total de 544 sujetos fueron incluidos en el análisis final. De estos, 270 (49,6%) fueron diagnosticados de TP y 274 (50,4%) de NAC. Los pacientes con NAC tenían niveles significativamente más altos de leucocitos, neutrófilos, monocitos, hemoglobina, hematocrito y plaquetas que los pacientes con TP (p &lt; 0,05 para todas las comparaciones). La procalcitonina no mostró diferencias significativas entre los grupos (p=0,061). La PCR tiene la curva ROC más alta para diferenciar entre TP y NAC, con una curva ROC de 0,76 (IC del 95 %: 0,71-0,88) y 0,75 (IC del 95 %: 0,71-0,80), respectivamente. La procalcitonina no mostró poder discriminatorio para estas dos enfermedades, con una curva ROC de 0,60 (IC 95%: 0,50-0,71).  Conclusión: La PCR y los marcadores hemáticos fueron los mejores marcadores para diferenciar entre pacientes con TP y NAC. El desempeño de estos marcadores fue aceptable, lo que sugiere que podrían ser útiles en el entorno clínico para la sospecha de tuberculosis o NAC.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Tuberculosis]]></kwd>
<kwd lng="en"><![CDATA[Pneumonia]]></kwd>
<kwd lng="en"><![CDATA[Biomarkers]]></kwd>
<kwd lng="en"><![CDATA[Diagnosis]]></kwd>
<kwd lng="es"><![CDATA[Tuberculosis]]></kwd>
<kwd lng="es"><![CDATA[Neumonía]]></kwd>
<kwd lng="es"><![CDATA[Biomarcadores]]></kwd>
<kwd lng="es"><![CDATA[Diagnóstico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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