Table 1 Basic characteristics and preoperative data of the two groups

Age (years)

73.48 ± 8.72

74.02 ± 8.85

0.97

Women, n (%)

14 (70%)

13 (65%)

0.77

BMD score

− 4.35 ± 0.94

− 4.44 ± 0.76

0.89

VAS scores

8.38 ± 1.28

8.14 ± 1.35

0.31

ODI scores

83.95 ± 8.96

84.27 ± 7.48

0.13

Relative anterior vertebral height (%)

77.51 ± 5.91

75.72 ± 6.73

0.79

Relative central vertebral height (%)

56.74 ± 4.13

58.28 ± 3.62

0.96

KA (°)

14.02 ± 4.06

12.78 ± 4.75

0.39

 1 day

0

1

 2 days

0

1

 3 days

15

14

 4 days

2

2

 5 days

3

2

 T10

1

1

 T11

1

1

 T12

5

6

 L1

6

7

 L2

4

3

 L3

2

2

 L4

1

0