Age group

Knee score difference.

Mean

SD

F-statistics

P-Value

<20

44.9

13.3

0.271

0.846

20 - 29

42.3

12.2

30 - 39

39.3

12.5

≥40

40.5

13.1

Sex

−0.481

0.634

Male

39.9

14.3

Female

42.1

9.8