Cost-Effectiveness of Bariatric Surgery: Should it Be Universally Available?
Washington University in Saint Louis - Division of Public Health Sciences
affiliation not provided to SSRN
Graham A. Colditz
Washington University in St. Louis, Division of Public Health Sciences
July 8, 2011
This paper is the first to conduct cost-effectiveness analyses of bariatric surgery comparing obese patients with obesity-related diseases to obese people without comorbidities across different BMI categories, using the meta-analysis results of surgery outcomes for our effectiveness inputs. We find that surgery treatment is in general cost-effective for people whose BMI is greater than 35 kg/m2 with or without obesity-related comorbidities, and it is even cost-saving for super obese (BMI ≥ 50 kg/m2) with obesityrelated comorbidities. Our results also suggest that surgery can be cost-effective for the mildly obese (BMI ≥ 30 kg/m2). The bottom line is that bariatric surgery should be universally available to all classes of obese people.
Keywords: Obesity, Bariatric surgery, Meta-analysis, Cost-effectiveness, Obesity-related diseases
JEL Classification: I1, I10, I19Accepted Paper Series
Date posted: July 9, 2011
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