Fig. 1From: Validation of the 7-item knee replacement patient education questionnaire (KR-PEQ-7), based on the 16-item knee osteoarthritis patient education questionnaire (KOPEQ)Posterior Distribution of the correlation of the KOPEQ versus IP. HDI (High Density Interval). KOPEQ (Knee Osteoarthritis Patient Education Questionnaire) IP (Interview Protocol)Back to article page