Table 2.

Stepwise multiple regression analysis.

Variable	β	SE	Standardized Beta	p-Value	R2	Adjusted R2
Grip strength					0.358	0.351
Upper limb SMM	3.889	0.384	0.691	<0.001
Upper limb FM	−1.137	0.294	−0.269	<0.001
Knee extension strength					0.231	0.227
Lower limb SMM	1.563	0.207	0.481	<0.001

SMM, skeletal muscle mass; FM, fat mass.