Anthropometrical measures are easily obtainable sensitive and specific predictors of insulin resistance in healthy individuals

Juan Ybarra, Joan Sanchez-Hernandez, Jose Maria Pou, Sandra Fernández, Ignasi Gich, Jordi Ordóñez-Llanos, Jeroni Jurado, Alberto de Leiva, Antonio Pérez

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9 Citations (Scopus)

Abstract

Background: To investigate whether user-friendly anthropometrical variables, i.e., waist circumference (WC) and body mass index (BMI) can properly identify insulin resistance (IR) in healthy subjects. Methods: A cross-sectional study was carried out with 164 disease-free subjects (78 males and 86 females aged 22-50 years) recruited from hospital staff in Barcelona (Spain) over a period of one year. BMI, WC, blood pressure, total cholesterol, triglycerides, HDL-cholesterol, glucose and insulin were measured by standard methods. IR was defined as homeostasis model assessment (HOMA)-IR equal to or greater than 3,8. Results: The prevalence of IR was 29.9% (males 39.5%, females 21.8%; P = 0.017). Multiple stepwise linear regression analysis identified WC (r2 = 0.496; P < 0.0005) as the only independent predictor of IR in the whole group. WC (r2 = 0.499; P < 0.0005) was the only variable that predicted IR in men and BMI (r2 = 0.506; P < 0.0005) in women. WC above 88 cm for women and 102 cm for men predicted IR with a sensitivity of 90.9% and 100%, and a specificity of 71.7% and 51.6%, respectively. However, receiving operator characteristics (ROC) curve analysis showed optimal WC values of 106.5 and 97.5 cm for men and women, respectively. Conclusions: WC is a simple, non-invasive and efficient tool for the screening of IR in the general population. Finally, taking into account that cut-off points of WC are population-specific, it will be of considerable interest to establish the relationship of WC with metabolic complications in all ethnic groups in order to generate useful critical values. © 2005 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)175-181
JournalPrevention and Control
Volume1
Issue number2
DOIs
Publication statusPublished - 1 Jun 2005

Keywords

  • Body mass index
  • HOMA index
  • Waist circumference

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