Subjects
|
Test
|
Category
|
Diagnostic criteria
|
Venous plasma glucose (mmol/L)
|
---|
History of diabetes
|
Steamed bread test
|
Diagnosed diabetes a
|
A positive response to the question, “Has a doctor ever told you that you have diabetes?”
| |
No history of diabetes
|
OGTT [10]
|
Undiagnosed diabetes
|
Fasting
|
≥7.0
|
| | |
2-h
|
≥11.1
|
| |
Isolated IGT
|
Fasting
|
<6.1
|
| | |
2-h
|
≥7.8 and <11.1
|
| |
Isolated IFG
|
Fasting
|
≥6.1 and <7.0
|
| | |
2-h
|
<7.8
|
| |
Combined IFG and IGT
|
Fasting
|
≥6.1 and <7.0
|
| | |
2-h
|
≥7.8 and <11.1
|
| |
Normal
|
Fasting
|
<6.1
|
| | |
2-h
|
<7.8
|
-
IGT, impaired glucose tolerance.
-
IFG, impaired fasting glucose.
-
a The diagnosed diabetes was identified by a positive response to the following question, “Has a doctor ever told you that you have diabetes?” [3].