Cross-Cultural Adaptation and Validation of the Hong Kong Version of the Knee Injury and Osteoarthritis Outcome Score (HK-KOOS) for Patients with Knee Osteoarthritis

Table 2

Means, standard deviations, score ranges, and the number of floor and ceiling effects of the HK-KOOS subscales ().

	Mean	SD	Range	Floor effect; (, %)	Ceiling effect; (, %)
KOOS pain	48.42	19.90	0-97	1 (0.8)	0 (0)
KOOS symptoms	48.98	21.26	0-100	1 (0.8)	2 (1.6)
KOOS ADL	54.19	20.67	0-94	1 (0.8)	0 (0)
KOOS sport/recreation	22.44	20.33	0-95	24 (19.2)	0 (0)
KOOS QoL	36.45	21.80	0-100	7 (5.6)	1 (0.8)