<?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>0001-6002</journal-id>
<journal-title><![CDATA[Acta Médica Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. costarric]]></abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Médicos y Cirujanos de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022021000200122</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de sarcopenia en población adulta mayor en Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of sarcopenia in the elderly population in Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of sarcopenia in the elderly adult population in Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrientos-Calvo]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Picado-Ovares]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Nacional de Geriatría y Gerontología Departamento de Geriatría y Soporte Nutricional y Unidad de Investigación. ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Nacional de Geriatría y Gerontología Departamento de Atención Comunitaria y Unidad de Investigación. ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>63</volume>
<numero>2</numero>
<fpage>122</fpage>
<lpage>130</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022021000200122&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022021000200122&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022021000200122&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Sarcopenia es la progresiva disminución de la masa y la fuerza muscular. Su prevalencia varía en la literatura por los distintos métodos de medición. Costa Rica no cuenta con datos de su prevalencia.  Objetivo:  Determinar la prevalencia de sarcopenia y los factores asociados en adultos mayores de Costa Rica: Estudio de Longevidad y Envejecimiento Saludable.  Métodos:  Un subgrupo de 2516 personas adultas mayores. Se utilizaron los criterios diagnósticos del Grupo Europeo de Trabajo sobre la Sarcopenia en Personas Mayores, que incluye baja masa muscular y baja fuerza muscular. Para la masa muscular se utilizó la circunferencia de pantorrilla menor a 31 cm, y para la fuerza muscular una medición por dinamometría, siendo baja fuerza si los hombres tenían &lt;27 kg en la prensión y las mujeres &lt;16 kg.  Resultados:  La prevalencia de sarcopenia fue de 10.26%. La tendencia aumentó conforme aumentaba la edad y fue más prevalente en mujeres. La mayoría de los sarcopénicos tuvieron menos ingresos económicos, viven acompañados, se perciben como no saludables, y tienen primaria incompleta. El peso, la circunferencia braquial, abdominal y la circunferencia de pantorrilla fueron menores en las personas con sarcopenia. Asociaciones positivas se encontraron con sarcopenia la edad mayor de 70 años (OR=3,164; IC 1,962-5,101), el nivel educativo (OR 4,264; IC 1,547-11,753), percibirse poco saludable (OR 1,691; IC 1,133-2,525), tener antecedente de enfermedad vascular cerebral (OR 3,221; IC 1,566-6,628), artritis (OR 1,648; IC 1,044-2,601) y caídas (0R 1,676; IC 1,143-2,458).  Conclusiones:  La prevalencia de sarcopenia fue 10.26%, similar a otros países de Latinoamerica. Su presencia incrementa con la edad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Sarcopenia is the progressive loss of mass and skeletal muscle strength. Its prevalence varies in the different reviews carried out, this by the different measurement methods. Costa Rica does not have data on its prevalence.  Objective:  The aim of this study is to know the prevalence of sarcopenia and associated factors with it in older people from Costa Rican Study of Longevity and Healthy Ageing.  Methods:  A subgroup of 2516 people was analyze, using the European Working Group on Sarcopenia in Older People diagnostic criteria that include low muscle mass and low muscle strength. Muscle mass was assessed using calf circumference &lt; 31 cm and grip strength using dynamometer, was low strength if &lt;27 kg in men or &lt;16 kg in women.  Results:  The prevalence of sarcopenia was 10.26%. There was an increasing trend of sarcopenia by age group, it was more prevalent in women. Some characteristics of Costa Ricans with sarcopenia was that most of them had less income, lived accompanied, perceived as unhealthy, had incomplete primary education. The weight, brachial, abdominal and calf circumference was lower in people with sarcopenia. Sarcopenia was positively associated with age (OR 3,164; IC 1,962-5,101), education (OR 4,264; IC 1,547- 11,753), perceived as unhealthy (OR 1,691; IC 1,133-2,525), antecedent of ischemic vascular event (OR 3,221; IC 1,566-6,628), arthritis (OR 1,648; IC 1,044-2,601), and falls (0R 1,676; IC 1,143-2,458). Conclusions: The prevalence of sarcopenia was 10.26%, similar to other countries of Latin America. It increase with age.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Prevalencia]]></kwd>
<kwd lng="es"><![CDATA[Sarcopenia]]></kwd>
<kwd lng="es"><![CDATA[Anciano]]></kwd>
<kwd lng="es"><![CDATA[Costa Rica]]></kwd>
<kwd lng="en"><![CDATA[Prevalence]]></kwd>
<kwd lng="en"><![CDATA[Sarcopenia]]></kwd>
<kwd lng="en"><![CDATA[Aged]]></kwd>
<kwd lng="en"><![CDATA[Costa Rica]]></kwd>
</kwd-group>
</article-meta>
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