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Journal of Postgraduate Medicine
Medknow Publications and Staff Society of Seth GS Medical College and KEM Hospital, Mumbai, India
ISSN: 0022-3859
EISSN: 0022-3859
Vol. 57, No. 3, 2011, pp. 184-188
Bioline Code: jp11051
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Postgraduate Medicine, Vol. 57, No. 3, 2011, pp. 184-188

 en Relationship of body fat with insulin resistance and cardiometabolic risk factors among normal glucose-tolerant subjects
Gokulakrishnan, K; Deepa, M; Monickaraj, F & Mohan, V

Abstract


Background: The amount of body fat, rather than the amount of excess weight, determines the health risks of obesity, type 2 diabetes mellitus, and cardiovascular disease.
Aims: To look at the association of body fat percentage with cardiometabolic risk factors in subjects with normal glucose tolerance (NGT).
Settings and Design: Cross-section study from the Chennai Urban Rural Epidemiology Study.
Materials and Methods: Body fat was measured by Beurer body fat analyzer. Metabolic syndrome (MS) was diagnosed based on modified ATPIII guidelines.
Statistical Analysis: Student′s t test or one-way ANOVA (with Tukey′s HSD) was used to compare groups for continuous variables.
Results: Body mass index, waist circumference, systolic and diastolic blood pressure, HOMA IR, serum cholesterol, and LDL cholesterol increased significantly with increasing tertiles of body fat (P<0.001). There was a linear increase in the percentage of body fat with increase in number of components of MS (no metabolic abnormality: 25±11, one metabolic abnormality: 28±10, two metabolic abnormalities: 33±8, and three and more metabolic abnormalities: 35±7) (P<0.001). Regression models showed significant association of body fat with MS after adjusting for age, gender, insulin resistance, and glycated hemoglobin (Odds ratio: 1.04, 95% confidence interval: 1.04 - 1.08, P<0.001). In linear regression analysis, body fat showed a significant association with insulin resistance after adjusting for age, gender, and glycated hemoglobin (β=0.030, P<0.001).
Conclusions: A significant association exists between body fat, MS, and cardiometabolic risk factors even among subjects with NGT.

Keywords
Asian Indians, body fat, cardiometabolic risk factors, insulin resistance

 
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