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Table 1 Diagnostic criteria for prediabetes

From: Global epidemiology of prediabetes - present and future perspectives

Criterion ADA [13] WHO [7] IDF [9]
Terminology Prediabetes Intermediate hyperglycaemia Impaired glucose tolerance
IGT (assessed using 2-h PG during 75 g OGTT) 7.8–11.0 mmol/L (140–199 mg/dL)
IFG (assessed using FPG) 5.6–6.9 mmol/L (100–125 mg/dL) 6.1–6.9 mmol/L (110–125 mg/dL)
HbA1C 5.7–6.4% (39–47 mmol/mol) ND