Skip to main content
. 2022 Sep 21;277(4):581–590. doi: 10.1097/SLA.0000000000005721

FIGURE 2.

FIGURE 2

Meta-analysis of preoperative intravenous (IV) iron for preoperative correction of anemia in patients undergoing major surgery: comparisons of the effects of IV iron therapy versus placebo/standard care or oral iron on proportion of participants receiving allogeneic blood transfusion (A, B); preoperative hemoglobin levels (g/dL; C, D); and hemoglobin levels >4 weeks postoperatively (g/dL; E). A, Comparison with placebo/standard care. B, comparison with oral iron. C, Comparison with placebo/standard care. D, Comparison with oral iron. E, Comparison with placebo/standard care. This figure has been adapted from Elhenawy et al58 (publisher: BioMed Central Ltd, part of Springer Nature) in accordance with the terms and conditions of the Creative Commons Attribution license. Adaptations are themselves works protected by copyright. So, to publish this adaptation, authorization must be obtained both from the owner of the copyright in the original work and from the owner of copyright in the translation or adaptation.