Table 4 Comparison of the wedge angle of the injured vertebral body

 Preoperation

24.46 ± 3.42

23.94 ± 3.21

0.638

0.707

 3 days after operation

1.21 ± 0.32*

4.93 ± 1.15*

5.725

0.010*

t = 5.638, P < 0.05

t = 4.379, P < 0.05

 Last follow-up

1.15 ± 0.10*

5.01 ± 0.97*

4.625

0.019*

t = 3.898, P < 0.05

t = 3.752, P < 0.05

t = 0.852, P > 0.05^▽

t = 0.068, P > 0.05^▽