Patient characteristic		No tape, n = 29 (%)	Control tape, n = 29 (%)	Therapeutic n = 29 (%)
Mean (SD) age (years)		69 (9)	71 (8)	66 (8)
Mean (SD) height (m)		1.64 (0.01)	1.64 (0.09)	1.64 (0.01)
Mean (SD) weight (kg)		81.1 (13.4)	78.8 (16.4)	79.1 (10.8)
Mean (SD) body mass index (kg per m2)		30.1 (4.0)	29.3 (4.9)	29.3 (4.0)
Mean (SD) duration of symptoms (years)		9 (11)	9 (10)	9 (8)
Men		10 (34)	10 (34)	10 (34)
Women		19 (66)	19 (66)	19 (66)
Radiographic severity*
	Grade I/II	7 (24)	9 (31)	9 (30)
	Grade III/IV	22 (76)	20 (69)	20 (70)
Presence of osteophytes in patellofemoral joint		23 (79)	23 (79)	21 (72)
Narrowing of patellofemoral joint		10 (35)	5 (17)	6 (21)