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Table 3 Mean change from baseline to Week 25 in WOMAC index scores

From: Intra-articular injections of sodium hyaluronate (Hyalgan®) in osteoarthritis of the knee. a randomized, controlled, double-blind, multicenter trial in the asian population

WOMAC section Hyalgan®(n = 100) Placebo (n = 98) p value
Pain    
Change from W0 to W25, mm (SE) 29.28 (1.92) 21.52 (1.94) 0.0050*
Stiffness    
Change from W0 to W25, mm (SE) 24.85 (2.18) 22.58 (2.21) 0.4640
Function    
Change from W0 to W25, mm (SE) 25.16 (1.67) 18.20 (1.69) 0.0038*
  1. SE, standard error of mean.
  2. *P < 0.05, indicated significantly different between treatment groups.