Table 1 Comparison of baseline characteristics of patients between two groups

Gender

0.304

0.581

 Male

22(16.8 %)

38(19.2 %)

 Female

109(83.2 %)

160(80.8 %)

Nationality

0.117

0.732

 Han

118(90.1 %)

176(88.9 %)

 Hui

13(9.9 %)

22(11.1 %)

Age(years)

3.968

0.265

 <60

4(3.1 %)

12(6.1 %)

 60 ~ 70

47(35.9 %)

71(35.9 %)

 70 ~ 80

54(41.2 %)

89(44.9 %)

 >80

26(19.8 %)

26(13.1 %)

Diabetes history(%)

9.2 %

8.6 %

0.032

0.857

 No(cases)

119

181

 Yes(cases)

1

17

Hypertension history(%)

48.9 %

44.9 %

0.483

0.487

 No(cases)

67

109

 Yes(cases)

64

89

Fracture history(%)

16.8 %

15.7 %

0.075

0.784

 No(cases)

109

167

 Yes(cases)

22

31

BMI(kg/m²)

24.25 ± 3.61

23.65 ± 3.42

1.537

0.125

Bone mineral density (T score)

-3.23 ± 0.85

-3.26 ± 0.90

0.260

0.795

Fracture segment

3.544

0.170

 Thoracic (T1 ~ 9)

10(7.6 %)

20(10.1 %)

 Thoracolumbar (T10 ~ L2)

78(59.5 %)

97(49.0 %)

 Lumbar (L3 ~ 5)

43(32.8 %)

81(40.9 %)

Intravertebral cleft(%)

12.2 %

6.1 %

3.834

0.050

 No(cases)

115

186

 Yes(cases)

16

12

Follow up time(months)

17.83 ± 7.33

17.35 ± 6.54

0.618

0.537

Bone cement volume(mL)

4.15 ± 1.16

4.11 ± 1.11

0.264

0.792

Operation duration(mins)

42.6 ± 12.04

41.73 ± 11.12

0.67

0.503

Blood loss(mL)

11.17 ± 3.66

11.07 ± 3.58

0.239

0.811