Table 3.

Preoperative clinical and radiological factors related to partial vertebral osteotomy with posterior fixation

	Non-PVO group (n = 12)	PVO group (n = 8)
Age (y)	67.7 ± 9.2	66.3 ± 12.5
Sex	M 4, F 8	M 3, F 5
Level of fracture	T12:5 L1:6 L2:1	T12:3 L1:3 L2:2
Preoperative JOA score	5.9 ± 4.0	6.7 ± 4.7
Occupation rate (%)	30.1 ± 8.0	45.6 ± 10.7*
LKA on standing/sitting (°)	−25.2 ± 12.7	−28.9 ± 8.9
LKA on supine position (°)	−9.5 ± 12.1	−22.3 ± 6.6*

Data are presented as mean ± standard deviation unless otherwise indicated. F: female, JOA: Japanese Orthopedic Association, LKA: local kyphotic angle, M: male, PVO: partial vertebral osteotomy, VAS: visual analog scale,

^*:P < 0.05.