Efficacy of ferric carboxymaltose in heart failure with iron deficiency: an individual patient data meta-analysis.

Compared with control (placebo or standard of care), intravenous iron reduced the rates of recurrent HF hospitalizations and CV death by 18% (RR 0.822; 95% CI 0.577–1.073; tau = 0.16), although this effect did not reach statistical significance.

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