Item

Sex

(M/F)

Age

(year)

diseased vertebrae

(T_5-10/T₁₁-L₁/L_2-5)

All

(case)

A

8/12

73.57 ± 3.47

3/12/5

20

B

C

10/10

7/13

74.13 ± 2.94

74.53 ± 3.70

2/15/3

4/10/6

20

20

F/X²

0.27

0.62

0.77

P

0.87

0.57

0.94