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Fig. 5 | Perioperative Medicine

Fig. 5

From: What is the effect of perioperative intravenous iron therapy in patients undergoing non-elective surgery? A systematic review with meta-analysis and trial sequential analysis

Fig. 5

Trial sequential analysis (TSA) of all trials of the effect of IV iron on the risk of requiring a blood transfusion. Control event proportion of 40%, diversity (D2) of 9%, alpha of 5%, power of 80% and relative risk decrease (RRR) of 20%. The accrued sample size (403) has not reached the required information size (1131)

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