J Cardiovasc Surg
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Morbidity and mortality after surgical interventions are influenced by different preoperative factors. We investigated the impact of body mass index (BMI) on outcome after coronary artery bypass grafting (CABG). ⋯ The results suggest that low BMI is associated with increased morbidity and mortality after CABG. Overweight is associated with more postoperative complications and longer hospitalisation but not with an increased early or long-term mortality.