A study in the Journal of the American Medical Association found patients who underwent bariatric surgery in facilities deemed centers of excellence did not have significantly fewer complications or better outcomes compared with those who had the surgery at non-COEs. Researchers said 5.5% of patients at a COE hospital developed complications, compared with 6% of those in non-COE hospitals. COE patients also had a reoperation rate of 0.83%, while non-COE patients had a 0.96% rate, researchers added.

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