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ISSN 0188-9796 (Impreso)

2012, Número 4

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Rev Endocrinol Nutr 2012; 20 (4)


Índice de distribución de la grasa corporal (IDGC): Un nuevo método antropométrico para la predicción de adiposidad

Chiquete E, Ochoa-Guzmán A, Domínguez-Moreno R, Tolosa P, Ruiz-Madrigal B, Godínez-Gutiérrez SA, Román S, Panduro A

Idioma: Español
Referencias bibliográficas: 28
Paginas: 145-151
Archivo PDF: 230.02 Kb.


RESUMEN

Introducción: El índice de masa corporal (IMC) es un método antropométrico imperfecto como marcador de riesgo, por lo que deben proponerse nuevos índices antropométricos simples que lo superen. Objetivo: Diseñar un índice antropométrico que correlacione mejor el índice de masa corporal con el contenido y distribución de la grasa corporal. Métodos: Se empleó bioimpedancia tetrapolar (InBody 720, Smithech, Korea) para medir el contenido de masa grasa. Se identificaron aquellas mediciones corporales (peso, talla, circunferencia de cintura [CC], índice cintura/cadera [ICC], edad, IMC) que se asociaran directa o inversamente con el porcentaje de grasa corporal (%GC), para con ello integrar el índice de distribución de la grasa corporal: IDGC = ([CC/talla en metros]+[1/talla en metros])/ICC. Resultados: Se estudiaron 516 adultos (70% mujeres, edad promedio de 37.6 años). Los valores promedio (± DE) de IMC e IDGC fueron 26.2 (± 5.2) y 61.8 (± 6.4), respectivamente. El IDGC mostró mayor correlación que el IMC con el %GC (r = 0.927 versus r = 0.749; p ‹ 0.001). La exactitud diagnóstica del IDGC fue mayor (98%) que la del IMC (93%) para identificar una CC elevada (› 88 cm en mujeres o › 102 cm en hombres) o un %GC › 30 (97 versus 86%). Conclusiones: Con límites de normalidad estadística de aproximadamente 50 a 75, el IDGC es un nuevo índice que predice con notable exactitud la grasa corporal.


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