Table 4.

Association of bone marker variables with BMD by location using multiple regression analysis

BMD gm/cm2	Model R 2		CTX1 pg/ml	PINP μg/l	Ca mg/dl	Vit. D ng/ml	PTH pg/ml	Age years	Weight Kg	Height cm
Total hip	0.340	p value	0.85	0.510	0.969	0.946	0.124	<0.0001	<0.0001	0.505
		Adjusted R	−0.013	0.048	0.003	−0.005	−0.112	−0.34	0.425	−0.049
Femoral neck	0.295	p value	0.096	0.306	0.508	0.348	0.690	<0.0001	<0.0001	0.711
		Adjusted R	0.119	−0.073	−0.047	0.067	−0.029	−0.364	0.346	0.027
Lumbar spine	0.225	p value	0.136	0.778	0.808	0.038	0.217	0.021	<0.0001	0.491
		Adjusted R	−0.107	0.02	0.018	0.149	−0.089	−0.166	0.335	0.05

BMD bone mineral density, PINP procollagen type I N propeptide, CTX1 serum C-terminal telopeptide of type I collagen, PTH parathyroid hormone, Ca calcium, Vit. D 25(OH)D₃