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Forest plot of risk ratio (RR) and 95% confidence intervals (CIs) of evaluated safety cyclophosphamide (CTX) treatment for lupus nephritis (LN). (A) infection, (B) hematotoxicity, (C) nausea or vomiting, and (D) menstrual disorders. Squares represent the RR of each study, and the area of each square was proportional to the weight of each study in the meta-analysis; horizontal lines, 95% CIs; closed diamond, pooled RR with their 95% CIs.
