Table 3.

Mean Knee Injury and Osteoarthritis Outcome Scores (KOOS)

		Baseline	2 wk	4 wk	6 wk	8 wk	10 wk	p value
Pain	Hip exercise	70	79	85	86	88	89	0.67
	Control	74	79	82	84	88	91
Symptoms	Hip exercise	76	86	86	84	87	90	0.22
	Control	80	84	85	86	91	89
Activities of daily living	Hip exercise	77	84	91	91	94	92	0.77
	Control	81	86	88	90	92	95
Sports and recreation	Hip exercise	29	34	32	39	40	47	0.57
	Control	32	37	38	42	45	55
Quality of life	Hip exercise	48	57	62	66	86	72	0.61
	Control	50	58	61	64	70	77