Figure 2From: 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 in VAS pain on the 50-foot walking test. The primary efficacy outcome of change from baseline through Week 25 measured by VAS pain score (0-100 mm scale) on the 50-foot walking test for the ITT population (sodium hyaluronate, n = 100; placebo, n = 98).Back to article page