Fig. 2From: Comparative efficacy of treatments for patients with knee osteoarthritis: a network meta-analysisNet plots of four outcomes: pain, stiffness, physical function and total (sum of the other 3 outcomes). Line width is proportional to the number of trials comparing treatments with numbers on the lines representing the exact number. Circle area represents the cumulative number of patients in each intervention. HA hyaluronic acid, PRP platelet-rich plasmaBack to article page