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Risk of bias of included RCTs. (a) Summary of risk of bias. (b) Risk of bias graph for each item presented as a percentage across all included studies. (c) Funnel plot for the risk ratio of efficacy rate. (d) Funnel plot for the risk ratio of total AEs.
AE, adverse event; RCT, randomized controlled trial.
ACR, American College of Rheumatology; CI, confidence interval; DAS28, Disease activity score 28; GSZD, GuiZhi-ShaoYao-ZhiMu decoction; MTX, methotrexate; M–H, Mantel–Haenszel.
