Evaluando la composición corporal en ancianos: comparando IMC, circunferencia de la pantorrilla y DXA.

Autores/as

DOI:

https://doi.org/10.47197/retos.v67.110167

Palabras clave:

composición corporal, absorciometría de fotones, índice de masa corporal, ancianos, envejecimiento, Body composition, photon absorptiometry, Body mass index, elderly, aging

Resumen

Introducción: Esta investigación tuvo como objetivo investigar la posible correlación entre el índice de masa corporal (IMC), la circunferencia de la pantorrilla izquierda (CC) y la absorciometria dual de rayos X (DXA).

Objetivo: Después del proceso de muestreo, se seleccionaron 287 participantes (X = 66,50 ± 5,75 años) residentes en Aracaju, Brazil, que fueron asistidos por las Unidades Básicas de Salud (UBS) Augusto Franco y Antônio Alves. Los procedimientos de las Normas Internacionales de Evaluación Antropométrica midieron la masa corporal y la altura.

Metodología: El coeficiente de correlación intraclase (CCI) se utilizó para evaluar la confiabilidad de las mediciones antropométricas. La prueba de correlación de Pearson investigó las asociaciones entre las variables DXA, IMC y CC. El coeficiente de determinación (r2) se utilizó para verificar el poder explicativo entre las variables del estudio. El nivel de p < 0,05 se consideró para la significación estadística. Resultados: la correlación entre DXA e IMC observó una correlación positiva, alta y significativa (r = 0,928, p < 0,001) entre los dos parámetros; se identificó una correlación positiva, moderada y significativa entre CC y DXA (r = 0,641, p < 0,001); y se mostró una correlación moderada y significativa entre CC e IMC (r = 0,648, p < 0,001). Conclusión: Las correlaciones fueron positivas entre IMC y DXA, que fueron fuertes, y CC y DXA, que fueron moderadas, lo que demuestra que ambos métodos se pueden aplicar para la evaluación de la composición corporal en personas mayores debido a su facilidad y bajo costo.

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Publicado

07-05-2025

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Artículos de carácter científico: investigaciones básicas y/o aplicadas

Cómo citar

Martin Dantas, E. H., Moraes Ramos, A., Andrade Dantas, K. B., Gomes de Souza Vale, R., Rodrigues Scartoni, F., Lustosa de Figueiredo, D., Ramos de Oliveira, L. A., de Souza Eloy, V., Whyte, I., & Gomes Ribeiro da Costa, L. F. (2025). Evaluando la composición corporal en ancianos: comparando IMC, circunferencia de la pantorrilla y DXA. Retos, 67, 472-481. https://doi.org/10.47197/retos.v67.110167