The Dutch version of the knee injury and osteoarthritis outcome score: A validation study

Table 8 Validity of the KOOS for the patient group with a revision of the TKA

	KOOS Pain	KOOS Symptoms	KOOS ADL	KOOS Sport/Rec	KOOS QOL
SF-36 Subscale
BP	0.49*	0.39	0.50	0.30	0.54
PF	0.26	0.20	0.44*	0.32	0.36
SF	0.20	0.11	0.24	0.16	0.42
RF	0.12	0.18	0.14	0.24	0.26
RE	0.10	0.09	0.00	-0.01	0.15
MH	0.15	0.26	0.21	0.05	0.28
VT	0.15	0.28	0.18	0.05	0.39
GH	0.09	0.27	0.24	0.22	0.33
VAS for pain	-0.47*	-0.47	-0.29	-0.30	-0.21

Validity is expressed by Spearman correlations between KOOS subscales, SF-36 subscales and VAS-pain. Abbreviations: OA; osteoarthritis, BP, bodily pain; PF, physical function; SF, social function; RF, role limitations because of physical problems; RE, role limitations because of emotional problems; MH, mental health; VT, vitality; GH, general health perception; ADL, Activities of daily living; QoL, Quality of life. In bold: convergente correlations that should be ≥ 0.60, In Italic: divergente correlations that should be ≤ 0.30. All other hypotheses are expected to be between 0.30 and 0.60. Correlations marked by * have to be 0.05 higher than the other convergent correlations.

ISSN: 1477-7525