Abstract
Skinfold anthropometry (SKF) has been used to estimate body composition for many years but it has several limitations. Bioelectrical impedance (BIA) is a new method recently recommended to be used in adults. Aim: To determine the level of agreement for body fat mass (BF) measurement by BIA and SKF. Subjects and methods: BF was calculated using the following algorithms: Slaughter for SKF, Deurenberg, Houtkooper, Schafer and Cordain for BIA in 50 girls aged between 9 and 11,6 years. Results: Level of agreement determined using Bland and Altman method was poor, with an average difference (SKF-BIA) of 5% ± 2 DS (-5.5 to 15.5). Conclusions: Measurements of BF determined by BIA gave poor agreement with SKF, thus the use of BIA is not recommended in pediatrics clinical practice.
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