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SF-6D normative values among patients undergoing bariatric surgery: results based on real-world evidence from the Scandinavian obesity surgery registry (SOREG)
Umeå University, Faculty of Medicine, Department of Epidemiology and Global Health.ORCID iD: 0000-0001-5948-3025
Department of Surgery, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.
Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.ORCID iD: 0000-0002-5306-1697
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2024 (English)In: Obesity Surgery, ISSN 0960-8923, E-ISSN 1708-0428, Vol. 34, p. 558-567Article in journal (Refereed) Published
Abstract [en]

Background: The SF-6D index can be used to calculate quality-adjusted life years in economic evaluations, which is required by reimbursement agencies and national advisory bodies, including the Swedish ones. However, despite that SF-36 has been largely applied among patients undergoing bariatric surgery, almost no study has accessed the short form six-dimensions (SF-6D) after bariatric surgery.

Aim: To establish normative values for the SF-6D index among patients undergoing bariatric surgery.

Materials and Methods: All patients who received bariatric surgery in Sweden between 2011–01-01 and 2019–03-31 were obtained from the Scandinavian Obesity Surgery Registry (SOReg). Information includes patients’ sociodemographic characteristics, details regarding the procedure, and postsurgical conditions. The SF-36 is applied at baseline and at follow-up years 1, 2, and 5. The multiple sequential imputation method was applied to handle missingness on SF-6D items. Based on the UK tariff, the SF-6D preference scores were calculated. The normative values for the mean (SD) SF-6D index were reported by timepoint and surgical complications for men and women, respectively. Multivariate analyses were applied to investigate how the SF-6D index is associated with timepoint, controlling for age, sex, BMI, and comorbidities in a stepwise manner.

Results: The SF-6D index increased at 1 year relative to baseline and was roughly maintained at the same level at 2 years. The normative value of the SF-6D index can be used in economic evaluations for bariatric surgery. 

Place, publisher, year, edition, pages
Springer, 2024. Vol. 34, p. 558-567
Keywords [en]
Bariatric surgery, Health preference, Normative value, Quality-adjusted life years, Real-world data, SF-6D
National Category
Surgery
Identifiers
URN: urn:nbn:se:umu:diva-219487DOI: 10.1007/s11695-023-07024-0ISI: 001137720100005PubMedID: 38189900Scopus ID: 2-s2.0-85181716238OAI: oai:DiVA.org:umu-219487DiVA, id: diva2:1831051
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2018–00896Available from: 2024-01-24 Created: 2024-01-24 Last updated: 2024-05-08Bibliographically approved

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Sun, SunFranklin, Karl A.Lindholm, LarsSahlen, Klas-Göran

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CiteExportLink to record
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