Table 4
Areas under the receiver operating characteristic (ROC) curves for discriminating between healthy (n=53) and glaucomatous (n=48) eyes with localised nerve fibre layer defects. Sensitivities at fixed specificities
| Area under ROC curve (SE) | Sens/Spec (spec=90%) | Sens/Spec (spec=80%) | |
|---|---|---|---|
| *Linear discriminant function obtained from sectoral based analysis. | |||
| †Linear discriminant function obtained from Fourier analysis. | |||
| ‡Linear discriminant function from Weinreb et al.17 | |||
| LDF sectoral* | 0.93 (0.03) | 81/91 | 90/81 |
| LDF Fourier† | 0.93 (0.03) | 71/91 | 97/81 |
| LDF Weinreb‡ | 0.86 (0.04) | 52/91 | 77/81 |
| The number | 0.76 (0.05) | 40/91 | 50/81 |
| Inferior ratio | 0.78 (0.05) | 40/91 | 58/81 |
| Inferior average | 0.82 (0.04) | 35/91 | 75/81 |
| Ellipse average | 0.75 (0.05) | 27/91 | 44/83 |
| Max modulation | 0.73 (0.05) | 29/91 | 46/81 |
| Average thickness | 0.71 (0.05) | 23/91 | 42/81 |
| Superior average | 0.71 (0.05) | 25/91 | 29/81 |
| Superior integral | 0.69 (0.05) | 19/91 | 46/81 |
| Ellipse modulation | 0.69 (0.05) | 15/93 | 46/83 |
| Symmetry | 0.69 (0.05) | 23/92 | 46/83 |
| Superior ratio | 0.64 (0.06) | 29/91 | 33/81 |
| Superior/nasal | 0.63 (0.06) | 19/91 | 31/81 |
