Table 1.

Interpretation of 2-Hour Glucose Test

2-Hour Glucose Response
Normal	< 140 mg/dL
Impaired	140–199 mg/dL
Type 2 diabetes (non-insulin dependent)	>200 mg/dL
2-Hour Insulin Response
Insulin resistance very likely	100–150 µU/mL
Insulin resistance	151–300 µU/mL
Severe insulin resistance	300 µU/mL

Reprinted with permission from Speroff L and Fritz MA.⁴⁷