Table 1.

Baseline characteristics of each group.

Variable	ZOL	Conservative	P value
Number	121	121
Gender (female/male)	72/49	81/40	0.27
Age (years)	62.60 ± 7.20	67.45 ± 4.12	0.65
Weight (kg)	67.73 ± 5.11	69.62 ± 6.70	0.46
BMI (kg/m2)	26.15 ± 3.21	26.79 ± 5.49	0.96
Fracture levle
Thoracic	89	101
Lumbar	57	51