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Ege Journal of Medicine
2018, Cilt 57, Sayı 2, Sayfa(lar) 094-099
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Bone mineral density in obese children with prediabetes
Ala Üstyol, Mehmet Emre Atabek
Necmettin Erbakan University Faculty of Medicine, Department of Pediatric Endocrinology, Konya, Turkey
Keywords: Bone mineral density, obesity, prediabetes, children

Aim: The aim of this study was to evaluate the relationships between bone mineral density (BMD) vs metabolic risk factors in obese adolescents with prediabetes.

Materials and Methods: A total of 131 obese children and adolescents, aged 6-18 years of age were enrolled the study. Prediabetes was determined by a fasting blood glucose level of ≥100 to 125 mg/dL or 2-hour oral glucose tolerance test value of ≥140 to 199 mg/dL. Five patients who were diagnosed as having type 2 diabetes were excluded and remaining participants were classified as normal glucose tolerance (NGT) and prediabetic. BMD was measured on calcaneus using quantitative ultrasound. BMD and metabolic parameters were investigated and compared in these two groups.

Results: There was no significant difference in BMD between children and adolescents with prediabetes (n = 37) or NGT (n = 89). The parameters of prediabetes did not affect BMD and these results did not change when we adjusted for weight, height, age, sex, pubertal status. The multivariate linear regression analysis revealed that the only independent factor associated with higher BMD was higher BMI (OR=0.007 95%CI 0.002-0.013 p=0.013). No significant associations were found between BMD and waist circumference or biochemical measurements.

Conclusion: Plasma glucose within the prediabetic range is not associated with bone mineral density in obese children. Thus, the positive association of BMI with BMD may be by means of alternative pathways.

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