Fig. 1.
Prevalence of prediabetes in three cohorts without a prior diagnosis of diabetes in the US, i.e. Screening for Impaired Glucose Tolerance (SIGT), the Third National Health and Nutrition Examination Survey (NHANES III), and the National Health and Nutrition Examination Survey 2005–2006 (NHANES 2005–2006). Adapted from data presented by Rhee et al. [16]. IFG impaired fasting glucose, IGT impaired glucose tolerance