Table 4.
Sensitivity, specificity, positive predictive value, negative predictive value, and likelihood ratio of HbA1c for several cut-off values.
| HbA1c | 4.8 | 5.0 | 5.2 | 5.4 | 5.6 |
|---|---|---|---|---|---|
| Sensitivity | 91 | 73 | 64 | 45 | 27 |
| Specificity | 36 | 57 | 78 | 85 | 92 |
| Positive predictive value | 18 | 20 | 30 | 31 | 33 |
| Negative predictive value | 96 | 93 | 94 | 91 | 89 |
| Likelihood ratio | 0.21 | 0.25 | 0.44 | 0.45 | 0.5 |