Sensitivity and specificity for categorising optic discs, as normal or glaucomatous, on the basis of the neuroretinal rim area in the 12 predefined segments
| Method for defining cut off | Specificity | Sensitivity |
|---|---|---|
| 2.5 percentiles (empirical) | 89.8% | 84.9% |
| 95% prediction intervals (linear regression) | 95.5% | 73.6% |
| 95% prediction intervals (linear regression†) | 87.5% | 88.7% |
| 98% prediction intervals (linear regression†) | 94.3% | 88.7% |
↵Untransformed data. †Log transformed data.