Figure 3From: Intra-articular injections of sodium hyaluronate (Hyalgan®) in osteoarthritis of the knee. a randomized, controlled, double-blind, multicenter trial in the asian population Mean change from baseline (mm) in WOMAC pain scores. Patients treated with sodium hyaluronate exhibited statistically significant improvement in WOMAC pain indices as compared with placebo treatment. Data are shown for the ITT population.Back to article page