Health and Quality of Life Outcomes

Table 4 Correlations (Pearson’s r) between the scores from the OKS, WOMAC scales, and EQ-5D-5 L scales (utility index and VAS)

From: Validation of the Spanish version of the Oxford knee score and assessment of its utility to characterize quality of life of patients suffering from knee osteoarthritis: a multicentric study

	OKS	WOMAC pain	WOMAC rigidity	WOMAC impairment	EQ-5D-5 L Utility	EQ-5D-5 L VAS
OKS	_
WOMAC pain	−0.745*	_
WOMAC rigidity	−0.641*	0.643*	_
WOMAC impairment	−0.849*	0.799*	0.719*	_
EQ-5D-5 L utility	0.756*	−0.623*	−0.504*	−0.706*	_
EQ-5D-5 L VAS	0.530*	−0.472*	−0.361*	−0.516*	0.547*	_

*p < 0,001
OKS Oxford Knee Score
WOMAC Western Ontario and McMaster Universities Osteoarthritis Index
Higher scores indicate better health condition in the OKS and EQ-5D-5 L, and opposite in the case of the WOMAC

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ISSN: 1477-7525

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