Resumen
Objetivo: Evaluar el desempeño de los índices de adiposidad ─ índice de masa corporal (IMC), circunferencia de cintura (CC), Relación Cintura Estatura (RCE) e a body shape index (ABSI) - para discriminar la enfermedad renal crónica (ERC). Métodos: Estudio transversal, realizado con datos obtenidos de la Encuesta Nacional de Salud de 2013, considerando mediciones de laboratorio e índices antropométricos medidos. Entre los parámetros evaluados para probar el desempeño de los índices de adiposidad para discriminar la ERC (tasa de filtración glomerular < 60 ml/min/1,73 m²) se encuentran las áreas bajo la curva (AUC) ROC con sus respectivos intervalos de confianza (IC del 95%) y los índices de Youden. Los análisis se realizaron sobre la muestra total y se estratificaron por sexo y grupo de edad. Resultados: Los índices de adiposidad (IMC, CC, RCE y ABSI) mostraron poder discriminatorio no aleatorio para ERC, siendo que la ERC en la muestra total y al estratificarlos por sexo y grupo de edad, pero el RCE demostró mejor desempeño con relación al AUC en todos los análisis (0,653 en la muestra total, 0,663 en hombres, 0,649 en mujeres, 0,606 en adultos y 0,549 en ancianos). Conclusión: Este estudio demostró que los índices de adiposidad tienen un bajo poder discriminatorio da ERC, aun cuando significativo.
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