Stage
Prediabetes

Fasting Plasma Glucose
100-125 mg/dL Impaired fasting glucose (IFG)

Casual Plasma Glucose
N/A

Oral Glucose Tolerance Test
140-199 mg/dL at 2 hours Impaired glucose tolerance (IGT)

Hemoglobin A_1c
5.7%–6.4%

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