Table 2.

Western Ontario and McMaster Universities Arthritis Index (WOMAC) and Euro-Qol 5D-5L (EQ-5D) for revision and primary total hip and knee arthroplasty preoperative and 1 year after surgery∗.

Joint replacement		EQ-5D preop	EQ-5D postop	WOMAC preop	WOMAC postop	Pain preop	Pain postop	Stiffness preop	Stiffness postop	Function preop	Function postop
Hip   Revision	mean	0.50	0.71	41.17	68.07	40.00	76.00	44.91	69.68	40.84	65.00
	SD	0.25	0.27	20.43	22.87	23.47	22.72	28.48	22.77	21.07	24.64
Hip   Primary	mean	0.54	0.85	38.06	84.00	36.22	86.28	40.63	81.85	37.83	82.68
	SD	0.24	0.20	17.35	18.36	19.98	17.40	21.63	21.53	18.57	20.06
p-value		0.45	<0.001	0.37	<0.001	0.31	0.001	0.31	<0.001	0.40	<0.001
Knee   Revision	mean	0.59	0.71	43.41	63.18	40.81	64.93	44.77	61.21	44.32	63.24
	SD	0.20	0.23	14.84	23.62	18.29	25.52	23.02	24.73	15.82	23.67
Knee   Primary	mean	0.51	0.78	37.76	70.57	34.14	74.31	36.29	65.00	38.85	69.81
	SD	0.21	0.19	12.45	19.12	14.32	18.20	21.32	20.52	13.61	19.62
p-value		0.10	0.08	0.05	0.06	0.04	0.02	0.06	0.34	0.07	<0.10

∗For quantitative data values are given as mean (SD = standard deviation). preop = preoperative. postop = postoperative.