Table 1 Values of plasma glucose (venous blood) for the diagnosis of diabetes mellitus* and other categories of hyperglycemia according to DDG criteria [30]

NGT

Normal glucose tolerance

< 100

< 140

< 5.6

< 7.8

IFG

Impaired fasting glucose

100–125

-

5.6–6.9

-

IGT

Impaired glucose tolerance

< 126

and

140–199

< 7.0

and

7.8–11.0

DM

Diabetes mellitus

≥ 126

and/or

≥ 200

≥ 7.0

and/or

≥ 11.1