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Baseline glucose tolerance according to the A1C categories and OGTT
| A1C categories |
Total | |||
|---|---|---|---|---|
| OGTT | <5.7% (NGT) | 5.7–6.4% (at risk for diabetes) | >6.4% (type 2 diabetes) | |
| NGT | 644 | 132 | 2 | 778 |
| Prediabetes | 240 | 103 | 4 | 347 |
| Type 2 diabetes | 9 | 12 | 10 | 31 |
| Total | 893 | 247 | 16 | 1,156 |
κ coefficient 0.17 with 95% CI (0.11–0.23); weighted κ 0.20 with 95% CI (0.14–0.26).
