Fig. 3From: A 23-year study of mortality and development of co-morbidities in patients with obesity undergoing bariatric surgery (laparoscopic gastric banding) in comparison with medical treatment of obesityMortality in surgical and in matched nonsurgical control patients divided according to median age (42 years): a below median age; b above median age. Number of patients at risk is indicated. Years = since visit 1Back to article page