Table 5. Correlations between bone mineral density (BMD) and vitamin D metabolites and PTH.

	Patients (n = 99)		Controls (n = 159)
	Pearson’s r	p value	Pearson’s r	p value
Correlation between 25(OH)D and BMD
Lumbar spine	0.008	0.939	0.108	0.176
Total hip	0.130	0.198	0.046	0.570
Left femoral neck	0.107	0.291	0.046	0.565
Right femoral neck	0.094	0.354	0.048	0.547
Total body	0.083	0.414	−0.024	0.767
Nondominant ultradistal radius	−0.063	0.536	−0.027	0.741
Correlation between 1,25(OH)2D and BMD
Lumbar spine	−0.078	0.444	0.057	0.475
Total hip	−0.190	0.060	0.029	0.715
Left femoral neck	−0.221	0.028	0.026	0.749
Right femoral neck	−0.160	0.114	0.002	0.980
Total body	−0.218	0.030	0.055	0.492
Nondominant ultradistal radius	−0.306	0.002	−0.013	0.872
Correlation between PTH and BMD
Lumbar spine	−0.023	0.822	−0.022	0.788
Total hip	−0.011	0.911	−0.117	0.149
Left femoral neck	−0.087	0.391	−0.134	0.097
Right femoral neck	−0.077	0.449	−0.127	0.117
Total body	−0.023	0.825	−0.078	0.336
Nondominant ultradistal radius	0.114	0.259	−0.129	0.112

BMD: bone mineral density, 25(OH)D: 25-hydroxyvitamin D, 1,25(OH)₂D: 1,25-dihydroxyvitamin D, PTH: parathyroid hormone, r: correlation coefficient.