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dc.contributor.authorFrischmuth, Tobias
dc.contributor.authorTøndel, Birgitte Gladsø
dc.contributor.authorBrækkan, Sigrid Kufaas
dc.contributor.authorHansen, John Bjarne
dc.contributor.authorMorelli, Vania Maris
dc.date.accessioned2024-01-23T14:41:04Z
dc.date.available2024-01-23T14:41:04Z
dc.date.issued2023-08-07
dc.description.abstractBackground: Obesity is a well-established risk factor for venous thromboembolism (VTE). However, data on the proportion of incident VTEs attributed to overweight and obesity in the general population are limited.<p> <p>Objective: To investigate the population attributable fraction (PAF) of VTE due to overweight and obesity in a population-based cohort with repeated measurements of body mass index (BMI).<p> <p>Methods: Participants from the fourth to seventh surveys of the Tromsø Study (enrolment: 1994-2016) were followed through 2020, and all incident VTEs were recorded. In total, 36,341 unique participants were included, and BMI measurements were updated for those attending more than one survey. BMI was categorized as <25 kg/m<sup>2</sup>, 25-30 kg/m<sup>2</sup> (overweight), and ≥30 kg/m<sup>2</sup> (obesity). Time-varying Cox regression models were used to calculate hazard ratios (HRs) with 95% confidence intervals (CIs). The PAF was estimated based on age- and sex-adjusted HRs and the prevalence of BMI categories in VTE cases.<p> <p>Results: At baseline, the prevalence of overweight and obesity was 37.9 and 13.8%, respectively. During a median follow-up of 13.9 years, 1,051 VTEs occurred. The age- and sex-adjusted HRs of VTE were 1.40 (95% CI: 1.21-1.61) for overweight and 1.86 (95% CI: 1.58-2.20) for obesity compared with subjects with BMI <25 kg/m<sup>2</sup>. The PAF of VTE due to overweight and obesity was 24.6% (95% CI: 16.6-32.9), with 12.9% (95% CI: 6.6-19.0) being attributed to overweight and 11.7% (95% CI: 8.5-14.9) to obesity. Similar PAFs were obtained in analyses stratified by sex and VTE subtypes (provoked/unprovoked events, deep vein thrombosis, pulmonary embolism).<p> <p>Conclusion: Our findings indicate that almost 25% of all VTE events can be attributed to overweight and obesity in a general population from Norway.en_US
dc.identifier.citationFrischmuth, Tøndel B, Brækkan, Hansen, Morelli. The Risk of Incident Venous Thromboembolism Attributed to Overweight and Obesity: The Tromso Study. Thrombosis and Haemostasis. 2023en_US
dc.identifier.cristinIDFRIDAID 2184042
dc.identifier.doi10.1055/s-0043-1772212
dc.identifier.issn0340-6245
dc.identifier.urihttps://hdl.handle.net/10037/32692
dc.language.isoengen_US
dc.publisherThieme Gruppeen_US
dc.relation.journalThrombosis and Haemostasis
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2023 The Author(s)en_US
dc.titleThe Risk of Incident Venous Thromboembolism Attributed to Overweight and Obesity: The Tromso Studyen_US
dc.type.versionacceptedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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