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Categories of increased risk for diabetes (prediabetes)*
| FPG 100–125 mg/dl (5.6–6.9 mmol/l): IFG |
| or |
| 2-h plasma glucose in the 75-g OGTT 140–199 mg/dl (7.8–11.0 mmol/l): IGT |
| or |
| A1C 5.7–6.4% |
*For all three tests, risk is continuous, extending below the lower limit of the range and becoming disproportionately greater at higher ends of the range.
