Epidemiology
Studies conducted from 1988-1994 indicated that at that time, of the US population 40–74 years of age, 33.8% had IFG, 15.4% had IGT, and 40.1% had prediabetes (IFG, IGT, or both). Eighteen million people (6.3% of the population) had type 2 diabetes in 2002.
Read more about this topic: Prediabetes