The prediction of single-frequency BIA variables from individual characteristics

1 October 2003

journal article
Published by Springer Nature in Acta Diabetologica

Vol. 40 (1) , s233-s235
https://doi.org/10.1007/s00592-003-0073-3

Abstract

To define whether reference values for bioimpedance analysis (BIA) can be predicted in healthy individuals, individual characteristics and BIA variables (resistance index=height²/parallel resistance and reactance index= height²/parallel reactance) were evaluated in non-obese healthy individuals: 863 men and 769 women with an age range 20–70 years and body mass index (BMI) 19.0–29.9 kg/m². The following predictive equations were obtained using multiple regression analysis: Resistance index (cm²/ohm) Males 21.06 + 0.087xage + 1.091xweight -1.801xBMI, Females 20.35 + 0.037xage + 0.878xweight - 1.343xBMI Reactance index (cm²/ohm) Males 0.57 + 0.117xweight - 0.096xBMI Females 1.42 + 0.078xweight - 0.075xBMI In conclusion, reference BIA values seem to be reasonably predicted based on individual characteristics.

Keywords

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