Table 2 Postoperative data of the two groups

Operative time (min)

25.12 ± 5.36

45.14 ± 3.86

< 0.05

Fluoroscopy times

31.87 ± 9.77

76.94 ± 8.65

< 0.05

Amount of cement injection (ml)

6.41 ± 0.54

4.22 ± 0.35

< 0.05

Cases of cement of both-endplates-contact

13

6

< 0.05

Relative anterior vertebral height (%)

92.42 ± 5.14

71.21 ± 4.83

< 0.05

Relative central vertebral height (%)

79.74 ± 3.92

60.53 ± 3.31

< 0.05

Improvement of relative anterior vertebral height (%)

12.81 ± 4.76

6.94 ± 3.42

< 0.05

Improvement of relative central vertebral height (%)

19.71 ± 2.82

3.42 ± 3.57

< 0.05

KA (°)

7.11 ± 3.01

10.89 ± 2.91

< 0.05

Change of KA (°)

7.11 ± 1.21

3.72 ± 1.53

< 0.05