Journal
BRITISH JOURNAL OF SURGERY
Volume 98, Issue 10, Pages 1422-1429Publisher
WILEY
DOI: 10.1002/bjs.7640
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Funding
- National Institute for Health and Welfare/Finohta
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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 (sic)33 870 and (sic)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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