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The mean change in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score. There was significant improvement in the mean change of (a) total WOMAC, (b) WOMAC stiffness, (c) WOMAC pain, and (d) WOMAC function score from baseline in each group over the 6 weeks. ∗ indicates statistically significant results compared to baseline measurement (p value ≤ 0.05).
