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Forest plots for comparisons of Δhemoglobin (Hb) and Hb response. In the analysis of ΔHb, data of 260 subjects were extracted. A significant increase of ΔHb was found in the roxadustat group (WMD =1.22, 95% CI: 0.95 to 1.49, P<0.00001, A). As for the incidence of Hb response, a significant improvement in the roxadustat group was found as compared with the placebo group (OR =27.74, 95% CI: 10.18 to 75.62, P<0.00001, B). WMD, weighted mean difference; OR, odds ratio.
