Fig. 5From: High molecular weight Intraarticular hyaluronic acid for the treatment of knee osteoarthritis: a network meta-analysisCluster graph showing absolute efficacy (change from baseline on WOMAC 0–100 scale) plotted against relative efficacy (compared to IA Placebo). Footnote: HMW = high molecular weight; IA = intraarticular; IAHA = intraarticular hyaluronic acid; LMW = low molecular weight; SMD = standardized mean difference; WOMAC = Western Ontario and McMaster Universities Arthritis IndexBack to article page