Table 3

Correlation of Comparable WOMAC and Priority Criteria Score Items for a Subgroup of 60 Patients

WOMAC criteria and subscales	Priority criteria score items
WOMAC criteria and subscales	Q1 — pain on motion	Q2 — pain at rest	Q4 — functional limitations
Pain walking on flat surface	0.45^*	0.39	0.21
Pain at night	0.40	0.56^*	0.31
WOMAC function subscale	0.31	0.33	0.46^*

WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index; Q = question
↵* Convergent validity coefficients