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Relation of Body Fat Categories by Gallagher Classification and by Continuous Variables to Mortality in Patients With Coronary Heart Disease.
MedLine Citation:
PMID:  23261004     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Although obesity is a coronary heart disease risk factor, in cohorts of patients with coronary heart disease, an "obesity paradox" exists whereby patients with obesity have a better prognosis than do leaner patients. Obesity is generally defined by body mass index, with relatively little described regarding body fat (BF). In this study, 581 consecutive patients with coronary heart disease divided into the Gallagher BF categories of underweight (n = 12), normal (n = 189), overweight (n = 214), and obese (n = 166) were evaluated, and 3-year mortality was assessed using the National Death Index. Mortality was U shaped, being highest in the underweight group (25%, p <0.0001 vs all groups) and lowest in the overweight group (2.3%), with intermediate mortality in the normal-BF (6.4%, p = 0.02 vs overweight) and obese (3.6%) groups. In multiple regression analysis, high BF (odds ratio 0.89, 95% confidence interval 0.82 to 0.95) and higher Gallagher class (odds ratio 0.46, 95% confidence interval 0.25 to 0.84) were independent predictors of lower mortality. In conclusion, on the basis of Gallagher BF, an obesity paradox exists, with the highest mortality in the underweight and normal-BF groups and the lowest mortality in the overweight group. Lower BF as a continuous variable and by Gallagher classification as a categorical value were independent predictors of higher mortality.
Authors:
Alban De Schutter; Carl J Lavie; Dharmendrakumar A Patel; Surya M Artham; Richard V Milani
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-19
Journal Detail:
Title:  The American journal of cardiology     Volume:  -     ISSN:  1879-1913     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
Affiliation:
John Ochsner Heart & Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, Louisiana; Department of Medicine, Cleveland Clinic Florida, Weston, Florida.
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