Outcome assessment in arthritis

much

better

slightly

better

equal

slightly

worse

much

worse

PAIN

STIFFNESS

FUNCTION

GLOBAL

25

20

15

10

5

0

-5

-10

-15

-20

-25

Mean effect

(WOMAC scale

points)

Transition item 'health in general' related to the OA

joint

Score changes (Baseline® Follow-up) within the transition categories