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. 2011 Oct;98(10):1422-9.
doi: 10.1002/bjs.7640.

Cost-utility of bariatric surgery for morbid obesity in Finland

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Cost-utility of bariatric surgery for morbid obesity in Finland

S Mäklin et al. Br J Surg. 2011 Oct.

Abstract

Background: The aim of this study was to evaluate the cost-utility of bariatric surgery (gastric bypass, sleeve gastrectomy and gastric banding) compared with ordinary treatment in the Finnish healthcare system.

Methods: Analysis was done from a healthcare provider's perspective using a combination of a decision tree and a Markov model, with a time horizon of 10 years. Health-related quality of life was estimated from a representative population survey, and other parameter values were based on registers, systematic reviews, controlled studies and expert opinion.

Results: In the base-case analysis, bariatric surgery was both more effective and less costly than the ordinary treatment. The mean costs were €33,870 and €50,495, and the mean number of quality-adjusted life-years 7·63 and 7·05, for bariatric surgery and ordinary treatment respectively. Uncertainty around the parameter values was tested comprehensively in sensitivity analyses, and the results were robust.

Conclusion: Surgery for morbid obesity increases health-related quality of life, and reduces the need for further treatments and total healthcare costs. According to this analysis, non-operative care would be more costly for the Finnish healthcare system on average after 5 years following surgery.

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