Comparing glycemic indicators of prediabetes: A prospective study of obese Latino Youth

Joon Young Kim, Michael I. Goran, Claudia M. Toledo-Corral, Marc J. Weigensberg, Gabriel Q. Shaibi

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Objective: One hour (1-hr) glucose during an oral glucose tolerance test (OGTT) is an emerging biomarker for type 2 diabetes. We compared the predictive power of 1-hr glucose to traditional glycemic markers for prospectively identifying prediabetes in youth. Research design and methods: Obese normoglycemic Latino youth (N = 116) were assessed at baseline for glycated hemoglobin (HbA1c), fasting, 1-hr, and 2-hr glucose during an OGTT and were followed for up to 8 yr for the development of prediabetes. Receiver operating characteristic (ROC) curves were used and a multivariable prediction model was developed. Results: The area under the 1-hr glucose ROC curve was the most powerful predictor of prediabetes over time [0.73, 95% confidence interval (CI) = 0.64-0.83]. However, combining all indicators into a single model was superior to individual marker models (0.77, 95% CI = 0.690.86). Conclusions: These results further support the utility of 1-hr glucose during an OGTT as a prospective marker of diabetes risk in youth.

Original languageEnglish (US)
Pages (from-to)640-643
Number of pages4
JournalPediatric Diabetes
Issue number8
StatePublished - Dec 2015
Externally publishedYes


  • 1-hr glucose
  • Pediatrics
  • Prediabetes
  • Receiver operating characteristic curve

ASJC Scopus subject areas

  • Internal Medicine
  • Pediatrics, Perinatology, and Child Health
  • Endocrinology, Diabetes and Metabolism


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