This retrospective cohort study analyzed Medicare claims data from 42,345 severely obese adults (29,624 underwent Roux-en-Y gastric bypass [RYGB]; 12,721 underwent adjustable gastric banding [AGB]) between 2006 and 2014. Over a mean follow-up of 3.5 years, RYGB was associated with a 73% higher risk of nonvertebral fractures compared to AGB
