Fig. 2From: Efficacy of plasma exchange for antineutrophil cytoplasmic antibody-associated systemic vasculitis: a systematic review and meta-analysisForrest plots of primary outcomes between the PE and no PE groups. Regarding the timing of outcome measurement in this figure, mortality and adverse events are for the overall observational period, and clinical remission is at 1 year after the allocation. See Additional file 5 for other data. Abbreviation: PE, plasma exchangeBack to article page