Measurements of body fat is associated with markers of inflammation, insulin resistance and lipid levels in both overweight and in lean, healthy subjects


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e - SPEN: the European e-journal of clinical nutrition and metabolism;7(6)



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Background & aims: Low-grade inflammation is associated with fat mass in overweight. Whether this association exists in lean persons is unknown. Aims were to investigate associations between anthropometric measures of fat distribution and fat mass (% and kg) assessed by bioelectrical impedance analysis (BIA). Furthermore we wanted to investigate the relationship between fat mass and markers of insulin resistance, inflammation, and lipids in healthy subjects in different BMI categories. Methods: We compared 47 healthy overweight adults (BMI 26e40 kg/m2) and 40 lean (BMI 17e25 kg/ m2) matched for age and sex. Waist and hip circumferences, waist-to-hip ratio, waist-to-height ratio and triceps skinfold were used to evaluate fat distribution. BIA was used to estimate fat mass (% and kg). Markers of insulin resistance, lipids, inflammation and adipokines were measured. Results: Hip circumference was associated (P < 0.01) with BIA-assessed fat mass (%) in both groups (lean: regression coefficient B ¼ 0.4; overweight: B ¼ 0.5). An increase in hip circumference in all tertiles was associated with higher plasma levels of leptin, CRP and C-peptide in both groups. Conclusions: Fat mass may play a role in low-grade inflammation also in subjects within the normal range of BMI. Hip circumference may be a surrogate measure for fat mass in subjects in different BMI categories, and may be useful for identification of people with risk of developing overweight-related chronic diseases



“NOTICE: this is the author’s version of a work that was accepted for publication in e - SPEN: the European e-journal of clinical nutrition and metabolism. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in e - SPEN: the European e-journal of clinical nutrition and metabolism, 7(6).”

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