Table 1

Glycaemic definitions and diagnostic criteria

DefinitionDiagnostic criteria
NormoglycaemiaFasting plasma glucose <6.1 mmol/L
Intermediate hyperglycaemia
 Impaired fasting glucoseFasting plasma glucose ≥6.1 mmol/L to <7.0 mmol/L AND 2-hour postingestion of 75 g glucose load plasma glucose <7.8 mmol/L.
 Impaired glucose toleranceFasting plasma glucose<7.0 mmol/L AND 2-hour postingestion of 75 g glucose load plasma glucose ≥7.8 mmol/L to <11.1 mmol/L.
Type 2 diabetes mellitusFasting plasma glucose ≥7.0 mmol/L OR* 2-hour postingestion of 75 g glucose load plasma glucose >11.1 mmol/L.
  • Adapted from WHO 200659.

  • *Diabetes cannot be excluded without 2-hour post oral glucose load test.