Table 2. Bone mineral density and T-scores of the Parkinson’s disease patients and controls.

Subjects	Males		Females
	PD (n=47)	Controls (n=47)	PD (n=68)	Controls (n=70)
Lumbar spine
BMD (g/cm2)	0.986 ± 0.194*	1.098 ± 0.170	0.804 ± 0.132**	1.004 ± 0.201
T-score	−0.91 ± 1.75	−0.59 ± 1.37	−2.24 ± 1.17**	−1.16 ± 1.65
Femoral neck
BMD (g/cm2)	0.741 ± 0.128**	0.871 ± 0.148	0.650 ± 0.123**	0.810 ± 0.108
T-score	−2.07 ± 1.18*	−1.43 ± 1.23	−2.34 ± 1.12**	−1.36 ± 0.87
Total femur
BMD (g/cm2)	0.901 ± 0.148*	0.995 ± 0.157	0.771 ± 0.137**	0.929 ± 0.129
T-score	−1.27 ± 1.13*	−0.54 ± 1.34	−1.69 ± 1.06**	−0.56 ± 1.09
Vitamin D (ng/dL)	12.6 ± 7.6**	20.6 ± 11.2	11.7 ± 6.8**	18.6 ± 11.4

PD: Parkinson’s disease; BMD: bone mineral density. *p<0.05; **p<0.001