Table 2 Analysis of outcome between two groups

VAS

 pre-op

6.29 ± 0.90

6.28 ± 1.05

0.060

0.948

 24 h post-op

2.54 ± 0.91

2.12 ± 0.79

4.355

< 0.001

 last follow-up

2.13 ± 0.738

1.81 ± 0.67

4.090

< 0.001

ODI

 pre-op

63.63 ± 11.94

61.02 ± 11.79

1.958

0.051

 24 h post-op

35.88 ± 6.72

33.84 ± 6.38

2.773

0.006

 last follow-up

26.78 ± 5.53

23.2 ± 7.59

4.941

< 0.001

AVH(mm)

 pre-op

14.60 ± 2.96

15.22 ± 3.16

-1.785

0.075

 24 h post-op

16.72 ± 3.12

17.62 ± 3.19

-2.505

0.013

 last follow-up

16.23 ± 3.13

17.14 ± 3.25

-2.545

0.011

Cobb(%)

 pre-op

26.71 ± 6.91

27.08 ± 7.55

-0.465

0.642

 24 h post-op

17.94 ± 3.51

15.85 ± 4.03

4.847

< 0.001

 last follow-up

24.31 ± 4.92

21.04 ± 4.59

6.142

< 0.001

AVHR(%)

 24 h post-op

54.95 ± 10.61

58.17 ± 10.55

-2.703

0.007

 last follow-up

46.58 ± 10.96

50.55 ± 10.84

-3.237

0.001

AVH change(mm)

 24 h post-op

2.13 ± 0.73

2.40 ± 0.69

-3.427

0.001

 last follow-up

1.63 ± 1.078

1.93 ± 1.08

-2.466

0.014

AVHLR(%)

8.37 ± 2.97

7.62 ± 2.96

2.245

0.025

AVHRR(%)

6.99 ± 2.42

7.94 ± 2.35

-3.544

< 0.001

Local kyphotic angle change(°)

6.37 ± 4.27

5.20 ± 3.81

2.553

0.011

Adjacent vertebral fractures(%)

19.8 %

8.1 %

9.802

0.002

 No (cases)

105

182

 Yes (cases)

26

16

Bone cement leakage (%)

13.7 %

19.7 %

1.953

0.162

 No (cases)

113

151

 Yes (cases)

18

39