Table 4.

Multiple regression analysis for predicting paretic arm BMC and lean mass

Dependent variable	Predictors	R2	R2 Change	β	p for each predictor
1. Paretic arm BMCa	Paretic arm lean mass	0.735	0.735	0.593	0.002
	Height	0.769	0.034	0.323	0.001
	Muscle strength	0.810	0.041	0.247	0.001
2. Paretic arm BMC	Height	0.654	0.654	0.490	<0.001
	Muscle strength	0.771	0.117	0.370	<0.001
	Gender	0.800	0.029	−0.257	0.008
3. Paretic arm lean mass	Height	0.674	0.674	0.415	<0.001
	Muscle strength	0.750	0.077	0.304	<0.001
	Gender	0.822	0.071	−0.403	<0.001

^aExcluded variables: gender