• J. Am. Coll. Cardiol. · Feb 2013

    Multicenter Study

    Combining body mass index with measures of central obesity in the assessment of mortality in subjects with coronary disease: role of "normal weight central obesity".

    • Thais Coutinho, Kashish Goel, Daniel Corrêa de Sá, Rickey E Carter, David O Hodge, Charlotte Kragelund, Alka M Kanaya, Marianne Zeller, Jong Seon Park, Lars Kober, Christian Torp-Pedersen, Yves Cottin, Luc Lorgis, Sang-Hee Lee, Young-Jo Kim, Randal Thomas, Véronique L Roger, Virend K Somers, and Francisco Lopez-Jimenez.
    • Department of Medicine, Mayo Clinic, Rochester, MN, USA.
    • J. Am. Coll. Cardiol. 2013 Feb 5; 61 (5): 553-60.

    ObjectivesThis study sought to assess the mortality risk of patients with coronary artery disease (CAD) based ona combination of body mass index (BMI) with measures of central obesity.BackgroundIn CAD patients, mortality has been reported to vary inversely with BMI (“obesity paradox”). In contrast,central obesity is directly associated with mortality. Because of this bidirectionality, we hypothesized that CAD patients with normal BMI but central obesity would have worse survival compared to individuals with other combinations of BMI and central adiposity.MethodsWe included 15,547 participants with CAD who were part of 5 studies from 3 continents. Multivariate stratifiedCox-proportional hazard models adjusted for potential confounders were used to assess mortality risk according to different patterns of adiposity that combined BMI with measures of central obesity.ResultsMean age was 66 years, 60% were men. There were 5,507 deaths over a median follow-up of 2.4 years (IQR: 0.5 to 7.4 years). Individuals with normal weight central obesity had the worst long-term survival: a person with BMI of 22 kg/m2 and waist circumference (WC) of 101 cm had higher mortality than a person with similar BMI but WC of 85 cm (HR: 1.10[95% CI: 1.05 to 1.17]), than a person with BMI of 26 kg/m2 and WC of 85 cm (HR: 1.20 [95% CI: 1.09 to 1.31]), than a person with BMI of 30 kg/m2 and WC of 85 cm (HR: 1.61 [95% CI: 1.39 to 1.86]) and than a person with BMI of 30kg/m2 and WC of 101 cm (HR: 1.27 [95% CI: 1.18 to 1.39), p < 0.0001 for all).ConclusionsIn patients with CAD, normal weight with central obesity is associated with the highest risk of mortality [corrected].Copyright © 2013 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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