Fig. 1From: Association of body mass index with perioperative blood transfusion and short-term clinical outcomes in patients undergoing isolated coronary artery bypass graftingThe flow chart of different BMI categories in patients undergoing isolated coronary artery bypass grafting surgery. The flow chart outlines the steps of the study, including the selection of patients, BMI categorization, and the application of propensity score matching PSM to create matched cohorts. CABG, coronary artery bypass grafting; BMI, body mass index; PSM, propensity score matchingBack to article page