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A, Flowchart shows enrollment of the analysis population in the Vascular Events in Noncardiac Surgery Patients Cohort Evaluation (VISION) study. B, Flowchart of analyzed bleeding events. Bleeding independently associated with mortality after noncardiac surgery (BIMS) is a composite outcome of postoperative transfusion, hemoglobin less than 7 g/dL (to convert hemoglobin to grams per liter, multiply by 10) and bleeding directly leading to death.
