ArticleEuropean journal of epidemiology2026
Adiposity and the risk of aortic aneurysm: results from the UK Biobank, Japan-Specific Health Check-ups Study and a systematic review and meta-analysis of cohort studies.
Article in European journal of epidemiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Overweight and obesity has been associated with increased risk of aortic aneurysm in some cohort studies, however, results have been inconsistent. To clarify this association we analysed data from two large cohort studies with a total of > 1.1 million participants, and conducted a systematic review and meta-analysis of published cohort studies. The analytical cohorts included 495,438 participants in UK Biobank and 630,841 participants in the Japan Specific Health Checkups (J-SHC) Study. Multivariable Cox proportional hazards regression models were used to analyse associations between anthropometric factors and risk of aortic aneurysm. PubMed and Embase databases were searched for studies on adiposity and aortic aneurysm up to 18 March 2026, and random effects models were used to estimate summary relative risks (RRs) and 95% confidence intervals (CIs). In the UK Biobank, a total of 3,447 incident cases and 183 deaths from aortic aneurysm occurred during 12.3 years follow-up, and in the J-SHC Study, 51 aortic aneurysm deaths occurred during 4 years follow-up. In UK Biobank, HRs (95% CIs) were 1.18 (1.08-1.29), 1.51 (1.36-1.67), 1.45 (1.23-1.70), and 1.56 (1.20-2.02) for a BMI of 25-<30, 30-<35, 35-<40, and ≥ 40 vs. 18.5-<25.0, respectively. Positive associations were also observed for the highest vs. lowest quintile of waist circumference (1.66, 1.48-1.87), waist-to-hip ratio (1.67, 1.48-1.89), hip circumference (1.37, 1.22-1.53), waist-to-height ratio (1.70, 1.51-1.91), fat mass (1.62, 1.44-1.83) and body fat percentage (1.45, 1.28-1.63). In the J-SHC Study, comparing the highest vs. lowest categories the HRs were 1.79 (0.86-4.00, p
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