Association of body mass index and computed tomography-derived body composition with postoperative cardiovascular events: a secondary analysis of two prospective cohorts
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The authors aimed to investigate the associations between body mass index (BMI) and computed tomography (CT)-derived body composition phenotypes with postoperative cardiovascular events in patients aged 45 and older undergoing major noncardiac surgery. They found that lower BMI was linked to higher cardiovascular risk, with variations depending on the type of surgery, and identified three distinct CT-derived body composition phenotypes, which provided some additional predictive information beyond BMI alone, though the improvement in model performance was modest.
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