Increasing Body Mass Index is Associated With Worse Perioperative Outcomes and Higher Costs in Adult Spinal Deformity Surgery

i) Study Design: Retrospective review of 244 patients
ii) Class I obesity patients experienced increased length of ICU stay while class II/III patients also experienced increased total length of stay
iii) Class II/III obese patients experienced significantly high episode-of-care costs (>$80,000

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