Multi-frequency bioelectrical impedance for assessing total body water and extracellular water in elderly subjects.

Abstract

OBJECTIVE The objective of this study was to investigate the utility of multifrequency bioelectrical impedance for the estimation of total body water (TBW) and extracellular water (ECW) in an elderly population. DESIGN Body impedance at 8 frequencies (1-1350 kHz) was measured in duplicate within 1 week. TBW and ECW were determined using deuterium oxide… (More)

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