<?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>0212-1611</journal-id>
<journal-title><![CDATA[Nutrición Hospitalaria]]></journal-title>
<abbrev-journal-title><![CDATA[Nutr. Hosp.]]></abbrev-journal-title>
<issn>0212-1611</issn>
<publisher>
<publisher-name><![CDATA[Grupo Arán]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0212-16112021000100085</article-id>
<article-id pub-id-type="doi">10.20960/nh.03197</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Waist circumference as a prognostic index of childhood abdominal obesity: findings in the Spanish population]]></article-title>
<article-title xml:lang="es"><![CDATA[Circunferencia de la cintura como índice pronóstico de obesidad abdominal infantil: hallazgos en la población española]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Campayo]]></surname>
<given-names><![CDATA[Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puga]]></surname>
<given-names><![CDATA[Ana M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Angulo Díaz-Parreño]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávila Torres]]></surname>
<given-names><![CDATA[José Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varela-Moreiras]]></surname>
<given-names><![CDATA[Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Partearroyo]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad San Pablo-CEU. CEU Universities Facultad de Farmacia ]]></institution>
<addr-line><![CDATA[Alcorcón Madrid]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Española de la Nutrición (FEN)  ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<volume>38</volume>
<numero>1</numero>
<fpage>85</fpage>
<lpage>93</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0212-16112021000100085&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0212-16112021000100085&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0212-16112021000100085&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: early detection of childhood obesity plays a crucial role in the prevention of diseases during adulthood. At present, the most commonly used screening tool for detecting overweight/obesity in children is the percentile for age of body mass index, although this rate is unable to provide information about fat distribution. An emerging marker of abdominal fat distribution is waist circumference (WC).  Objective: the aim of this study was to evaluate the differences between the different diagnostic criteria available to define overweight and obesity in order to establish the optimal WC cut-off values for the Spanish children population.  Methods: a cross-sectional study was carried out in 8,241 schoolchildren aged 3 to 12 years from Villanueva de la Cañada (Madrid, Spain). WC (cm), weight (kg) and height (cm) were measured according to the recommendations of the Society for the Advancement of Kineanthropometry (ISAK). The values obtained for the diagnostic criteria (Spanish Orbegozo Foundation (OF), the International Obesity Task Force (IOTF), and the World Health Organization (WHO) were compared using McNemar's test for paired proportions. The kappa coefficient (&#954;) was used to assess the degree of agreement of the three classifications. We analyzed the validity of body mass index (BMI) and WC using the receiver operating characteristic (ROC) curve analysis. The Youden index was used to determine cut-off values for WC that identify childhood obesity  Results: overweight and obesity prevalences were calculated according to the OF, IOTF, and WHO criteria. There was a "substantial" agreement for the overweight and obesity categories between the Spanish criteria and IOTF (&#954; = 0.636), while agreement was "slight" between the Spanish criteria and those of WHO (&#954; = 0.198). The estimated cut-off WC criteria ranged from 54.5 to 88.0, varying according to sex and age.  Conclusion: the proposed WC cut-off values, stated for the first time in a young Spanish population, are a simple and valid alternative as diagnostic criteria of abdominal obesity.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: la detección temprana de la obesidad durante la infancia es de vital importancia para la prevención de patologías durante la edad adulta. En la actualidad, la evaluación de la obesidad infantil se realiza principalmente utilizando el índice de masa corporal por edad percentilado, aunque este no aporta información sobre la distribución del tejido adiposo. Un marcador emergente de distribución de la grasa abdominal es la circunferencia de la cintura (CC).  Objetivo: el objetivo de este trabajo fue evaluar las diferencias entre diferentes criterios diagnósticos para definir el sobrepeso y la obesidad con el fin de establecer el punto de corte óptimo de la CC en los niños españoles.  Método: se llevó a cabo un estudio observacional transversal de 8241 niños/as (3-12 años) en Villanueva de la Cañada (Madrid, España). Se determinaron el peso, la talla y el perímetro de la cintura atendiendo a los criterios de la Sociedad Internacional para el Avance de la Cineantropometría (ISAK). Los valores obtenidos para los criterios diagnósticos (Fundación Orbegozo (OF), el Grupo Internacional de Obesidad (IOTF) y la Organización Mundial de la Salud (OMS)) se compararon utilizando la prueba de McNemar para proporciones emparejadas. El coeficiente kappa (&#954;) se utilizó para evaluar el grado de acuerdo de las tres clasificaciones. Analizamos la validez del índice de masa corporal (IMC) y el perímetro de la cintura (CC) utilizando el análisis de la curva característica operativa del receptor (ROC). El índice de Youden se utilizó para determinar los valores de corte de la CC que identifican la obesidad infantil.  Resultados: se calcularon las prevalencias del sobrepeso y la obesidad de acuerdo con criterios internacionales (IOTF, OMS) y nacionales (FO). Se observó un acuerdo "substancial" para el sobrepeso y la obesidad entre el criterio diagnóstico español y el IOTF (&#954; = 0,636), mientras que el acuerdo fue "ligero" entre el criterio español y el de la OMS (&#954; = 0,198). Los puntos de corte de la CC estimados variaron de 54,5 a 88,0 cm, modificándose en función de la edad y el sexo.  Conclusiones: los puntos de corte de la CC propuestos, establecidos por primera vez para niños españoles, son una alternativa simple y válida como criterio diagnóstico de obesidad abdominal.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Body mass index]]></kwd>
<kwd lng="en"><![CDATA[Waist circumference]]></kwd>
<kwd lng="en"><![CDATA[Abdominal obesity]]></kwd>
<kwd lng="en"><![CDATA[Children]]></kwd>
<kwd lng="en"><![CDATA[Adolescents]]></kwd>
<kwd lng="es"><![CDATA[Índice de masa corporal]]></kwd>
<kwd lng="es"><![CDATA[Circunferencia de la cintura]]></kwd>
<kwd lng="es"><![CDATA[Obesidad abdominal]]></kwd>
<kwd lng="es"><![CDATA[Niños]]></kwd>
<kwd lng="es"><![CDATA[Adolescentes]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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