Table 5.
Cut-off points of Pentacam indices for detection of subclinical and definite keratoconus cases.
| Cut-off | Sensitivity (%) | Specificity (%) | AUC | |
|---|---|---|---|---|
| Definite keratoconus vs. controls | ||||
| BAD_D | ≥2.38 | 96.7 | 94.8 | 0.99 |
| Mean keratometry | ≥44.9 | 80.2 | 77.3 | 0.86 |
| 3rd Order vertical coma aberration of cornea front | ≤−0.798 | 91.3 | 90.72 | 0.93 |
| Total | 97.9 | 96.9 | 0.99 | |
| Suspect keratoconus vs. controls | ||||
| BAD_D | ≥1.54 | 81.1 | 73.2 | 0.86 |
| IVA | ≥0.14 | 82.3 | 73.2 | 0.86 |
| ISV | ≥22 | 74.5 | 61.8 | 0.80 |
| 5th Order vertical coma aberration of cornea front | ≥0.023 | 70.6 | 61.8 | 0.72 |
| Total | 83.6 | 96.9 | 0.96 | |