Extracts of Tripterygium wilfordii Hook F in the Treatment of Rheumatoid Arthritis: A Systemic Review and Meta-Analysis of Randomised Controlled Trials
Figure 2
Publication bias in the included trials. Egger’s linear regression test for detecting publication bias. TJC: tender joint count; SJC: swollen joint count; RF: rheumatoid factor. “◯” is a size graph symbol for the weight of each included study. The distance between two diamonds on the second vertical bar on the left represents the 95% CI for the intercept.
