Table 1.

Main Characteristics of the study population

Variable	DXA-based BMD category
	Normal	Osteopenia	Osteoporosis
Gender
N (Male)	12	4	1
N (Female)	21	36	26
Age (years)	55.00 (39.50,66.00)	66.00 (59.50,75.00)	69.00 (65.00,76.00)
BMI (kg/m2)	24.82 (21.52,27.22)	25.60 (22.80,27.47)	23.14 (20.78,26.06)
L1–L4 BMD (g/cm2)	1.24 (1.10,1.28)	0.99 (0.94,1.04)	0.77 (0.64,0.84)
Neck BMD (g/cm2)	0.91 (0.87,1.01)	0.74 (0.68,0.83)	0.65 (0.58,0.72)