Table 1 Diagnostic criteria for total subjects
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 |