ESTIMATES OF FAT-FREE MASS (FFM) BY DENSITOMETRY, DUAL-ENERGY X-RAY ABSORPTIOMETRY (DXA), AND BIOIMPEDANCE SPECTROSCOPY (BIS) IN CAUCASIAN AND CHINESE-AMERICAN WOMEN

Estimates of fat-free mass (FFM) from dual energy X-ray absorptiometry and bioelectrical impedance spectroscopy (BIS) were compared to resul ts obtained by densitometry in a group of Caucasian and Chinese-Americ an women; Each group included 38 women between the ages of 18 and 24 y ears. The Chinese-American women were significantly shorter in stature , had lower body weights, and lower values for FFM compared to the Cau casian women. DXA estimates of FFM were consistently lower than those obtained from densitometry; BIS estimates were similar to densitometry results. (C) 1998 Elsevier Science Ltd. All rights reserved.