Table 2.

Single linear regression analysis on the relationship between phase angle and measured items

Variable	Male		Female
	r	P value	r	P value
Age (year)	−0.48	<0.001	−0.57	<0.001
Height (m)	−0.04	0.250	0.15	<0.001
Body weight (kg)	0.28	<0.001	0.13	0.002
BMI (kg/m2)	0.32	<0.001	0.05	0.229
Total fat mass (kg)	0.08	0.014	−0.03	0.564
Body fat percentage (%)	−0.02	0.540	−0.12	0.004
Total muscle mass (kg)	0.35	<0.001	0.33	<0.001
ASM (kg)	0.41	<0.001	0.40	<0.001
SMI (kg/m2)	0.59	<0.001	0.50	<0.001
Total bone mass (kg)	0.42	<0.001	0.33	<0.001
Body water content (kg)	0.43	<0.001	0.25	<0.001
HGS (kg)	0.40	<0.001	0.47	<0.001
Muscle quality (kg/kg)	0.09	0.006	0.36	<0.001

ASM, appendicular skeletal muscle; BMI, body mass index; HGS, handgrip strength; SMI, skeletal mass index.

Results are expressed as correlation coefficients (r).