Figure 5From: Association between GDF5 rs143383 polymorphism and knee osteoarthritis: an updated meta-analysis based on 23,995 subjects Funnel plot and Egger’s publication bias plot for meta-analysis on association between GDF5 rs143383 polymorphism and knee osteoarthritis risk (C versus T). (A) Begg’s funnel plot for meta-analysis; (B) Egger’s linear regression test for publication bias.Back to article page