Díaz DO, Hernández RJ, Domínguez AE, Martínez MI, Bosch PY, del Busto MA, García EDM, Rodríguez FL

Language: Spanish
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ABSTRACT

Introduction: waist circumference is a useful clinical parameters to identify alterations in carbohydrate metabolism; however the World Health Organization recommends that each country or region should set its own cut off point values.
Objective: to determine the cut-off point of the waist circumference as a predictor of dysglycemias in a Cuban population.
Methods: a cross-sectional descriptive study was conducted in 982 patients (457 men and 525 females) who went to the medical offices of the National Institute of Endocrinology on suspicion of diabetes mellitus type 2 from April 2008 to April 2013. The methodology consisted of administration of questionnaires and physical examination including the measurement of waist circumference and lab studies that were completed with the oral glucose tolerance test. Frequency distributions of the qualitative and quantitative variables, the median and standard deviation were all determined. Additionally, Pearson´s correlation coefficient, the simple linear regressions, analysis of Receiver Operator Characteristic curves and the Chi-square test were also used.
Results: positive correlation was found between the waist circumference and the glycemia, insulinemia, uric acid and the homeostasis model assessment estimate of insulin resistance. Waist circumference in both sexes was the variable with greatest predictive power for dysglycemia, with a cutoff point of 86.75 cm for men and 80.5 cm for women.
Conclusions: the optimal cutoff point of waist circumference as a dysglycemia predictor in men is 86.75 cm (87) and in women is 80.5 (81) in a Cuban population.