Comment on: Tran et al. Early Prediction of Gestational Diabetes Mellitus in Vietnam: Clinical Impact of Currently Recommended Diagnostic Criteria. Diabetes Care 2013;36:618–624

We read with great interest the article by Tran et al. (1), in which the authors compared the discriminative power of prognostic models for early prediction of women at risk for the development of gestational diabetes mellitus (GDM). The research group found 5.9% prevalence of GDM by American Diabetes Association (ADA) criteria. The selective screening of women for GDM using the ADA model with a risk threshold of 3% gave 93% sensitivity for identification of women with GDM, with a 27% reduction in the number of oral glucose tolerance tests required.If we simplify the results, it means missing 4 out of 59 cases of GDM in …