Table 1.

Glucose Levels Meeting Diagnostic Criteria for Categories of Glucose Tolerance

	Fasting glucose	2-h glucose during OGTT	HbA1c	Random glucose
Diabetes	≥126 mg/dL	≥200 mg/dL	≥6.5%	≥200 mg/dL
	(7.0 mmol/L)	(11.1 mmol/L)		(11.1 mmol/L) with symptoms
Prediabetes	100–125 mg/dL	140–199 mg/dL	5.7%–6.4%
	(5.6–6.9 mmol/L)	(7.8–11.0 mmol/L)
Normoglycemic	<100 mg/dL	<140 mg/dL	<5.7%
	(5.6 mmpl/L)	(7.8 mmol/L)

OGTT, oral glucose tolerance test; HbA1c, glycosylated hemoglobin.