Table 5.

Multiple Linear Regression Analysis of BMDs at the DF and PT

	Variable	Regression Coefficient	Standard Error	Standard Regression Coefficient	t	P
DF BMD	Age	−0.006	0.003	−0.363	−2.242	0.036
	25OHD	0.011	0.004	0.422	2.444	0.022
PT BMD	Age	−0.008	0.003	−0.436	−2.551	0.019
	Gender	−0.179	0.075	−0.474	−2.385	0.027

Abbreviations: DF, distal femur; PT, proximal tibia; BMD, bone mineral density; 25OHD, 25-hydroxyvitamin D.