Table 3

Descriptive score data before (baseline) and 3 months after rehabilitation (follow-up) of knee osteoarthritis (n=190)

		All participants (n=190)				Transition group ‘slightly better’			Transition group ‘almost equal’			Transition group ‘slightly worse’
		Baseline		Change to follow-up		Change to follow-up			Change to follow-up			Change to follow-up
		m	s	m	s	n	m	s	n	m	s	n	m	s
WOMAC	Pain	50.93	21.48	7.60	21.13	49	13.51	21.58	62	4.77	15.62	44	−1.32	20.81
SF-36	Bodily pain	24.84	16.34	12.83	21.85	46	18.72	22.71	62	8.31	14.02	44	4.05	19.05
WOMAC	Function	50.99	20.45	4.39	18.61	45	14.88	16.82	65	0.40	14.61	37	−5.87	18.87
SF-36	Physical functioning	33.46	19.30	3.91	20.77	52	7.17	20.16	65	2.94	15.50	43	−2.44	22.42
WOMAC	Factor standing/walking	53.70	22.90	6.34	24.55	40	15.75	24.67	77	5.55	21.59	39	−5.06	22.61
WOMAC	Stiffness	49.53	25.85	1.71	26.57	48	15.52	22.37	72	−4.72	22.47	43	−10.93	29.08
SF-36	Role physical	16.58	27.97	10.46	39.32	46	19.02	43.20	68	9.56	38.88	53	1.42	27.91
SF-36	Vitality	41.03	20.69	3.63	16.45	45	6.44	16.98	89	2.28	15.14	29	1.72	13.58
SF-36	Social functioning	62.90	29.90	2.64	25.22	37	8.43	30.54	94	1.47	24.65	35	−3.14	22.75
SF-36	Mental health	63.46	20.52	2.06	16.91	65	5.91	16.91	47	0.68	14.93	41	−3.39	15.19
SF-36	General health	53.49	19.63	−1.80	16.49	42	3.93	15.28	72	−2.07	17.51	37	−8.59	13.71

All means are indicated in bold.
m, arithmetic mean (bold; positive values reflect improvement, negative worsening); n, number of subjects; s, SD; SF-36, Short Form 36; WOMAC, Western Ontario and McMaster Universities Index.