Preoperative iron supplementation in non-anemic patients undergoing major surgery: a systematic review and meta-analysis.

Braz J Anesthesiol · 2025 · PMC12053702 · PMID 40189047

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did not reach statistical significanceno p-value reported

2 , 3 This meta-analysis evidenced that IV iron supplementation is associated with 41% lower transfusion rates, while oral supplementation did not reach statistical significance to detect potential benefit.

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