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Clin Diabetes. 2017 Jul;35(3):133-140. doi: 10.2337/cd16-0037.

Comparison of A1C to Oral Glucose Tolerance Test for the Diagnosis of Prediabetes in Overweight and Obese Youth.

Author information

1
Division of Pediatric Endocrinology.
2
Department of Pediatrics, SUNY Downstate Medical Center and Kings County Hospital Center, Brooklyn, NY.
3
SUNY Downstate College of Medicine, Brooklyn, NY.

Abstract

IN BRIEF This study reports performance of A1C against the oral glucose tolerance test (OGTT) in predicting prediabetes among overweight and obese African-American and Caribbean children. A retrospective chart review was completed for 230 children. Receiver operating characteristic curves were generated to find the predictive performances of different tests against the OGTT. A1C alone is a poor discriminator of prediabetes in our study population, with low sensitivity (70%) and specificity (48.8%). BMI z score, A1C, and homeostatic model assessment of insulin resistance are significant predictors of prediabetes and, when taken together, provide better discrimination for prediabetes.

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