Table 1 Clinical data of included patients

Gender

Male

40

129

0.743

Female

69

114

Age (years)

52.7 ± 16.1

48.7 ± 20.1

0.340

 < 40

25

79

40 ~ 60

34

93

 > 60

50

71

Injury mechanism

Accident

48

103

0.490

Tumble

23

43

Falling accidents

21

52

Heavy object crush

5

13

Sports injury

3

9

Bicycle fall injury

2

6

Others

7

17

Smoking history

0.004

Yes

23

52

No

86

191

Hypertension

0.214

Yes

45

82

No

64

161

Diabetes

0.266

Yes

28

48

No

81

195

History of alcohol abuse

0.694

Yes

18

46

No

91

197

Combined with Other fractures

0.937

Yes

16

36

No

93

207

Osteoporosis

0.293

Yes

33

59

No

76

184

Body mass index (kg/m²)

0.996

 < 18

5

11

18.5–23.9

92

206

 ≥ 24

12

26

Length of stay (day)

13.9 ± 8.8

12.5 ± 9.0

0.450

Survival rate (%)

100

100

NS