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Assessment of body composition in Sri Lankan adults: development and validation of bioelectrical impedance prediction equation.
European Journal of Clinical Nutrition ( IF 3.6 ) Pub Date : 2019-10-31 , DOI: 10.1038/s41430-019-0521-y
R Jayawardena 1, 2 , W M U A Wijetunga 3 , P Ranasinghe 4 , L Wanninayake 1 , V P Wickramasinghe 5
Affiliation  

Bioelectrical impedance analysis (BIA) is a simple and quick method used for assessment of body composition (BC). Present study aims to develop and validate a BIA prediction equation for Sri Lankan adults. Healthy adults (≥18 years) were randomly selected for development and validation of the equation. BIA was performed using the Inbody 230 multifrequency analyzer. BC analysis was also evaluated by deuterium oxide (D2O) dilution. Prediction equations for TBW/FFM were derived by linear-regression analysis. Study population included 170 adults, of which 32.9% were males. Mean age and BMI were 43.2 ± 12.6 years and 24.1 ± 4.5 kg/m2, respectively. Final equation for TBW (r = 0.915, p < 0.001) and FFM (r = 0.906, p < 0.001) correlated significantly with values obtained by D2O dilution. Therefore, this equation is suitable for estimation of BC parameters, such as TBW, FM, FFM, and %BF in Sri Lankan adults, and is possibly appropriate for use in other South Asian populations, including those living in Western countries.



中文翻译:

斯里兰卡成人身体成分评估:生物电阻抗预测方程的开发和验证。

生物电阻抗分析 (BIA) 是一种用于评估身体成分 (BC) 的简单快速的方法。本研究旨在为斯里兰卡成年人开发和验证 BIA 预测方程。随机选择健康成人(≥18 岁)进行方程的开发和验证。BIA 使用 Inbody 230 多频分析仪进行。还通过氧化氘 (D 2 O) 稀释来评估 BC 分析。TBW/FFM 的预测方程是通过线性回归分析得出的。研究人群包括 170 名成年人,其中 32.9% 为男性。平均年龄和 BMI 分别为 43.2 ± 12.6 岁和 24.1 ± 4.5 kg/m 2。TBW ( r  = 0.915, p  < 0.001) 和 FFM ( r = 0.906, p < 0.001) 与通过 D 2 O 稀释 获得的值显着相关。因此,该方程适用于估计斯里兰卡成年人的 BC 参数,例如 TBW、FM、FFM 和 %BF,并且可能适用于其他南亚人群,包括生活在西方国家的人群。

更新日期:2019-11-01
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