Table 1 Baseline patient characteristics

NO of cases

82

78

-

 Age

75.86 ± 7.74

74.23 ± 8.17

t = 1.300

0.196

 Male/Female

9/73

15/63

χ² = 2.137

0.185

 BMI

23.77 ± 3.78

23.49 ± 3.57

t = 0.488

0.312

Distribution

χ² = 0.267

0.875

 L3

34

32

-

 L4

31

32

-

 L5

17

14

-

Vertebral morphometry

χ² = 0.188

0.888

 A (wedging)

25

26

 B (biconcavity)

47

44

 C (crush)

10

8

Injure time(day)

4.53 + 3.52

4.20 + 3.89

t = 0.565

0.573