Table 3. .
Mean ± SD Values of ONH With AUC Curves and Sensitivities at Fixed Specificities for Discriminating Between Preperimetric Glaucoma and Control Groups
|
ONH Parameter |
Preperimetric Glaucoma, n
= 48 |
Control, n
= 94 |
P
Value* |
AUC (SE) |
Sensitivity at 95% Specificity, % |
Sensitivity at 80% Specificity, % |
| Vertical cup-to-disc ratio | 0.79 ± 0.15 | 0.66 ± 0.19 | 0.001 | 0.74 (0.04) | 18.8 | 56.3 |
| Rim area, mm2 | 0.66 ± 0.31 | 0.93 ± 0.32 | <0.001 | 0.72 (0.05) | 27.1 | 52.1 |
| Rim volume, mm3 | 0.06 ± 0.06 | 0.11 ± 0.09 | 0.001 | 0.72 (0.05) | 27.1 | 52.1 |
| Nerve head volume, mm3 | 0.12 ± 0.10 | 0.21 ± 0.14 | 0.001 | 0.72 (0.05) | 27.1 | 52.1 |
| Cup-to-disc area ratio | 0.59 ± 0.21 | 0.45 ± 0.20 | 0.001 | 0.66 (0.05) | 27.1 | 41.7 |
| Horizontal cup-to-disc ratio | 0.81 ± 0.19 | 0.72 ± 0.22 | 0.025 | 0.63 (0.05) | 20.9 | 41.7 |
| Cup volume, mm3 | 0.34 ± 0.29 | 0.21 ± 0.20 | 0.016 | 0.63 (0.06) | 12.5 | 37.5 |
| Cup area, mm2 | 1.07 ± 0.50 | 0.83 ± 0.46 | 0.017 | 0.62 (0.06) | 22.9 | 33.3 |
| Disc area, mm2 | 1.73 ± 0.33 | 1.76 ± 0.35 | 0.682 | 0.51 (0.06) | 8.3 | 22.9 |
*
For comparison of mean values of ONH parameters between preperimetric glaucoma and control groups.