Optimal HbA1c Level for Screening of Prediabetes and Diabetes in a Multiethnic Singaporean Population

Objectives: Many organizations including American Diabetes Association (ADA) recommend HbA1c of ≥ 6.5% as an appropriate cutoff to diagnose diabetes mellitus. Until recently, in Singapore the use of HbA1c has not been accepted due to apprehensions around the influence of ethnicity