Predictive ability of the anthropometric and body composition indicators for detecting changes in inflammatory biomarkers

Carvalho Vidigal, Fernanda de; Frandsen Paez de Lima Rosado, Lina Enriqueta; Paixão Rosado, Gilberto; Lanes Ribeiro, Rita de Cassia; Castro Franceschini, Sylvia do Carmo; Eloiza Priore, Silvia; Gomes de Souza, Eliana Carla

doi:10.3305/nh.2013.28.5.6743

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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

CARVALHO VIDIGAL, Fernanda de et al. Predictive ability of the anthropometric and body composition indicators for detecting changes in inflammatory biomarkers. Nutr. Hosp. [online]. 2013, vol.28, n.5, pp.1639-1645. ISSN 1699-5198. https://dx.doi.org/10.3305/nh.2013.28.5.6743.

Introduction: Obesity has been considered a chronic subclinical inflammation. High sensitivity C-reactive protein (hs-CRP) and fibrinogen are increasingly associated with cardiovascular risk. Objectives: To evaluate the ability of anthropometric and body composition indicators in discriminating higher levels of hs-CRP and fibrinogen. Methods: 130 men (20-59 years) were assessed, having measurement of weight, height, waist circumference (WC), hip and thigh circumferences, sagittal abdominal diameter (SAD), coronal diameter (CD) and body composition. Conicity index, waist/height ratio, body mass index, waist/hip ratio, waist/thigh ratio and sagittal index were calculated. It was considered as the cutoff point for hs-CRP values ≥ 0.12 mg/dL and for fibrinogen the 50^th percentile of the evaluated sample. Results: Sagittal index (r = 0.280), waist/thigh ratio (r = 0.233) and waist/height ratio (r = 0.233) showed the best correlation with hs-CRP (p < 0.01). Conicity index (r = 0.305) and waist/height ratio (r = 0.279) showed the best correlation with fibrinogen (p < 0.01). In ROC analysis, the SAD (0.698 ± 0.049) and the conicity index (0.658 ± 0.048) had greater ability to discriminate cardiovascular risk through higher levels of hs-CRP and fibrinogen, respectively (p < 0.01). The cutoff points of 30 cm, 89.9 cm and 20.5 cm were the ones that reached largest sum between sensitivity and specificity values for the CD, WC and SAD, respectively. Conclusions: The SAD and the conicity index demonstrated a greater ability to detect higher levels of hs-CRP and fibrinogen, respectively, in apparently healthy adult men.

Keywords : Anthropometry; Body composition; Fibrinogen; C-reactive protein; Inflammation.

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