A multivariate analysis of the American College of Surgeons National Surgical Quality Improvement Program database indicates that body mass index is not predictive of complications after elective arthroscopy; however, further analysis reveals underweight and obese patients may be at risk of 30-day morbidity or readmission after shoulder arthroscopy. These findings are consistent with previous reports yet conflict with others, raising concern over the utility of body mass index as a measure of the risk of morbidity and readmission after elective arthroscopy.
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