Table 1: Diagnostic criteria for diabetes according to the WHO [6].

Condition2-hour glucose mg/dL (mmol/L)Fasting glucose mg/dL (mmol/L)

Normal<140 (<7.8)<110 (<6.1)
Impaired fasting glucose<140 (<7.8)≥110 (≥6.1) and <126 (<7)
Impaired glucose tolerance≥140 (≥7.8)<126 (<7)
Diabetes mellitus≥200 (≥11.1)≥126 (≥7)