Table 4.

Correlations Between Clinical Indicators and BMDs at the DF and PT

	DF BMD		PT BMD
	r	P	r	P
Age	−0.457	0.005	−0.503	0.002
Time post-injury	−0.24	0.158	0.236	0.167
BMI	0.025	0.884	0.238	0.162
Ca	0.256	0.150	0.091	0.616
P	0.293	0.098	0.290	0.102
ALP	0.404	0.020	0.305	0.084
25OHD	0.397	0.040	0.132	0.510
OC	0.156	0.428	−0.023	0.907
CTX	0.287	0.139	0.23	0.238
PINP	0.401	0.034	0.423	0.025
PTH	−0.449	0.017	−0.285	0.141
Femoral neck BMD	0.638	<0.001	0.706	<0.001
Total hip BMD	0.547	0.001	0.631	<0.001

Abbreviations: BMI, body mass index; DF, distal femur; PT, proximal tibia; BMD, bone mineral density; ALP, alkaline phosphatase; 25OHD, 25-hydroxyvitamin D; CTX, collagen type-I C-terminal telopeptide; PINP, N-terminal propeptide of type-I procollagen; OC, osteocalcin; PTH, parathyroid hormone.