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Fig. 3 | BMC Oral Health

Fig. 3

From: Preemptive intravenous iron therapy versus autologous whole blood therapy for early postoperative hemoglobin level in patients undergoing bimaxillary orthognathic surgery: a prospective randomized noninferiority trial

Fig. 3

Noninferiority diagram of differences in hemoglobin levels between intravenous iron and autologous whole blood therapy groups immediately before surgery, and on postoperative days 1 and 2. A noninferiority margin (δ) indicates > Δ = − 1. Circles indicate mean hemoglobin differences and error bars indicate the 95% CIs of the differences between the two groups

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BMC Oral Health

ISSN: 1472-6831

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