Table 2.
Optimal early fasting glucose and 2-h OGTT for the determination of dysglycaemia
| Receiver operating curve cutoff value (fasting and postprandial glucose) (mg/dl) | AUC (95 % CI) | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | |
|---|---|---|---|---|---|---|
| Prediabetes | 78 | 0.73 (0.59–0.86) | 70.6 | 63.1 | 33.3 | 89.1 |
| Prediabetes | 130 | 0.74 (0.61–0.87) | 76.5 | 64.6 | 36.1 | 91.3 |
| Diabetes | 130 | 0.82 (0.66–0.97) | 85.7 | 60.0 | 16.7 | 97.8 |
| Diabetes | 150 | 0.82 (0.66–0.97) | 71.4 | 80.0 | 25 | 96.8 |
| Diabetes | 78 | 0.77 (0.61–0.91) | 71.4 | 58.7 | 13.9 | 95.7 |
| Diabetes | 80 | 0.77 (0.61–0.91) | 71.4 | 66.7 | 16.7 | 96.2 |