Table 1—

Classification of glucose tolerance states

StateFPG level (mg/dl)2-h plasma glucose in OGTT (mg/dl)*
IFG100–125<200
    Isolated IFG100–125<140
IGT<126140–199
    Isolated IGT<100140–199
Combined IFG/IGT100–125140–199
NGT<100<140
  • *

    * Standard 75-g OGTT.