kellgren Score:

No

%

Grade 0

4

6

Grade I

17

36

Grade II

21

44

Grade III

8

14

Lequesne Index for Activity

Mild 1-4

17

34

Moderate 5-7

16

32

severe 8-10

5

10

Very severe 11-13

9

18

Extremely severe ≥ 14

3

6

Womac OA Index

Less severe ≤ median (25)

22

44

More severe > median (25)

28

56