Comment
In The Lancet Diabetes & Endocrinology, Helen Booth and colleagues1 report the results of a populationbased matched cohort study that assessed the effect of bariatric surgery on development of type 2 diabetes. 2167 obese adults without diabetes who underwent bariatric surgery were compared with 2167 controls matched for age, sex, BMI, and HbA1c who did not have bariatric surgery. With a median follow-up of 2·8 years (maximum 7 years), bariatric surgery reduced the risk of developing diabetes by 80% (adjusted hazard ratio 0·20, 95% CI 0·13–0·30; p
In The Lancet Diabetes & Endocrinology, Helen Booth and colleagues1 report the results of a populationbased matched cohort study that assessed the effect of bariatric surgery on development of type 2 diabetes. 2167 obese adults without diabetes who underwent bariatric surgery were compared with 2167 controls matched for age, sex, BMI, and HbA1c who did not have bariatric surgery. With a median follow-up of 2·8 years (maximum 7 years), bariatric surgery reduced the risk of developing diabetes by 80% (adjusted hazard ratio 0·20, 95% CI 0·13–0·30; p
