The technical skill of practicing bariatric surgeons varied widely, and greater skill was associated with fewer postoperative complications and lower rates of reoperation, readmission, and visits to the emergency department. Although these findings are preliminary, they suggest that peer rating of operative skill may be an effective strategy for assessing a surgeon's proficiency.
Birkmeyer, J.D., et al. for the Michigan Bariatric Surgery Collaborative, Surgical Skill and Complication Rates after Bariatric Surgery The New England Journal of Medicine. Published online October 10, 2013. N Engl J Med 2013; 369:1434-1442