3.2. Quality of Life Assessed by the WOMAC Index
pain
Results of scores of the WOMAC index in the overall assessment of QoL and in the items of pain, stiffness, and physical function are shown in The overall WOMAC score decreased in all groups at the end of the study as compared with baseline, with statistically significant between-group and within-group differences. However, mean differences of decreases of WOMAC overall score were only statistically significant for the group of 