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Retrospective cohort study
Intraoperative transfusion in older patients with low preoperative haematocrit levels and substantial blood loss during major non-cardiac surgery is associated with lower 30-day postoperative mortality

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  • Competing interests JLC has received research support for clinical trials evaluating transfusion thresholds (1RC2HL101458 and 1U01 HL73958) from the National Heart, Lung, and Blood Institute, National Institutes of Health.

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