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Cut-off points, sensitivity, and specificity of the main Pentacam parameters derived from receiver operating characteristic curve (ROC) analysis used to discriminate between Fellow eye in unilateral keratoconus and Normal groups
| Pentacam parameters (AUC >0.7) | Cut-off value | Sensitivity | Specificity |
|---|---|---|---|
| D | 0.835 | 0.933 | 0.324 |
| Dt | 0.105 | 0.867 | 0.294 |
| Da | 0.515 | 0.8 | 0.353 |
| PImax | 1.155 | 0.933 | 0.471 |
