Fig. 6
From: Comparative efficacy of treatments for patients with knee osteoarthritis: a network meta-analysis
Comparison-adjusted funnel plots of treatments of 4 outcomes’ networks. The red line represents the null hypothesis that the study-specific effect sizes do not differ from the respective comparison-specific pooled effect estimates. A hyaluronic acid, B triamcinolone, C platelet-rich plasma, D saline, E hyaluronic acid + platelet-rich plasma