Table 2.

Correlations between change in WOMAC domains and change in PGA-OA.

WOMAC Domain	Study 1		Study 2		Study 3
WOMAC Domain	Original Units	Percentage	Original Units	Percentage	Original Units	Percentage
Pain	0.613	0.576	0.493	0.477	0.600	0.550
Physical Function	0.624	0.589	0.500	0.491	0.610	0.560
Stiffness	0.549	0.521	0.366	0.358	0.540	0.510
Total	0.615	0.578	0.479	0.479	0.600	0.560

Correlations between change in WOMAC domains and change in PGA-OA at the primary time points of week 16 in studies 1 and 3 and week 24 in study 2. PGA-OA: patient global assessment of osteoarthritis; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index.