Six-week high-intensity exercise program for middle-aged patients with knee osteoarthritis: a randomized controlled trial [ISRCTN20244858]

Table 1 Patient characteristics at baseline

	Exercise group n = 30	Control group n = 31	p-value
Age (years) mean ± SD (range)	54.8 ± 7.1 (36–64)	57.3 ± 4.7 (46–65)	0.16
Gender number (%) women	15 (50%)	16 (52%)	0.90
BMI (kg/m)² mean ± SD	29.6 ± 4.5	29.5 ± 5.1	0.78
Aerobic capacity (ml O₂/kg^xmin) mean ± SD	25.9 ± 6.4	25.2 ± 4.9	0.66
KOOS* pain	60 ± 18	64 ± 19	0.38
KOOS* symptoms	63 ± 20	66 ± 18	0.67
KOOS* ADL	69 ± 18	71 ± 21	0.76
KOOS* sport & recreation	34 ± 31	37 ± 29	0.54
KOOS* QOL	40 ± 15	46 ± 21	0.31

ISSN: 1471-2474