Prevalence of the metabolic syndrome using ATP-derived definitions and its relation to insulin-resistance in a cohort of Italian outpatient children
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Objective: To analyze the prevalence of the metabolic syndrome (MetS) defined by three sets of Adult Treatment Panel III (ATPIII)-derived criteria, and the ability of each definition to identify insulin-resistance (IR) in a wide cohort of outpatient children. Subjects and methods: Seven hundred and twenty-four children consecutively observed in the Outpatient Pediatric Clinic of Pozzuoli Hospital during the period 2004–2009 were included in the study. Diagnosis of the MetS was made using three definitions: Cook, Jolliffe (which adopt age- and gender-specific cut-points) and de Ferranti. Insulin sensitivity was evaluated by homeostasis model assessment of insulin resistance (HOMA-IR). IR was defined by the 90th percentile of HOMA-IR in healthy non-obese Italian children grouped by gender and Tanner stage. The ability of each definition to identify IR was evaluated in terms of sensitivity and specificity. Results: The prevalence of the MetS in the overall cohort was 11, 12 and 24% using Cook, Jolliffe and de Ferranti criteria, respectively. Sensitivity and specificity in relation to IR were 19 and 94% with Cook criteria, 21 and 92% with Jolliffe criteria, and 39 and 84% with de Ferranti criteria. Conclusions: The prevalence of the MetS in children increases with increasing body weight. Among the three definitions analyzed, de Ferranti identifies a larger number of children with the MetS. The prediction of IR is weak with all definitions; on the contrary, the absence of MetS identifies fairly well children with low degree of IR.
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- Prevalence of the metabolic syndrome using ATP-derived definitions and its relation to insulin-resistance in a cohort of Italian outpatient children
Journal of Endocrinological Investigation
Volume 33, Issue 11 , pp 806-809
- Cover Date
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- Springer International Publishing
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- Metabolic syndrome
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- Author Affiliations
- 1. Department of Internal Medicine, Pozzuoli Hospital, via Domitiana Loc. La Schiana, 80078, Pozzuoli, Napoli, Italy
- 2. Department of Pediatrics, Pozzuoli Hospital, Pozzuoli
- 3. Department of Clinical Pathology, Pozzuoli Hospital, Pozzuoli
- 4. Department of Cardiology, “S. Maria delle Grazie”, Pozzuoli Hospital, Pozzuoli