Group A

Group B

t/χ²

P value

Case

24

24

Age (years)

55.46 ± 6.15

56.63 ± 6.58

0.64*

0.53

Sex (male/female, n)

6/18

9/15

0.87

0.35

Position (male/female, n)

10/14

8/16

0.356

0.55

BMI (kg/m²)

22.54 ± 2.12

23.78 ± 2.77

1.735*

0.09

R-L Grading (II/III, n)

16/8

15/9

0.9

0.76