Table 4.
Comparison of optical coherence tomography parameters.
| Variable | Temporal VFD (N, 39) | Typical glaucomatous VFD (N, 77) | P value | |
|---|---|---|---|---|
| Optic disc parameters | Rim area, mean (SD) | 1.47 (0.78) | 0.90 (0.20) | < 0.001 |
| Disc area, mean (SD) | 2.76 (1.43) | 2.03 (0.59) | 0.005 | |
| Average cup to disc ratio, mean (SD) | 0.82 (0.23) | 0.75 (0.14) | 0.072 | |
| Vertical cup to disc ratio, mean (SD) | 0.75 (0.28) | 0.74 (0.14) | 0.812 | |
| Cup volume, mean (SD) | 0.30 (0.25) | 0.48 (0.30) | 0.004 | |
| Parapapillary RNFL thickness (μm) | Average, mean (SD) | 86.97 (16.14) | 77.88 (9.50) | 0.003 |
| Superior, mean (SD) | 92.70 (24.49) | 95.86 (20.10) | 0.484 | |
| Nasal, mean (SD) | 74.58 (24.06) | 63.58 (9.54) | 0.010 | |
| Inferior, mean (SD) | 96.91 (24.93) | 87.98 (16.76) | 0.056 | |
| Temporal, mean (SD) | 83.96 (23.56) | 64.23 (14.96) | < 0.001 | |
| GCIPL thickness (μm) | Average, mean (SD) | 78.13 (9.64) | 71.01 (7.08) | < 0.001 |
| Minimum, mean (SD) | 64.89 (19.04) | 58.87 (10.77) | 0.105 | |
| Superior, mean (SD) | 73.27 (14.63) | 73.47 (9.90) | 0.945 | |
| Superonasal, mean (SD) | 81.38 (17.05) | 78.52 (7.83) | 0.373 | |
| Inferonasal, mean (SD) | 80.17 (13.42) | 73.77 (8.34) | 0.005 | |
| Inferior, mean (SD) | 73.01 (12.39) | 64.64 (10.65) | < 0.001 | |
| Inferotemporal, mean (SD) | 79.81 (14.39) | 63.54 (10.93) | < 0.001 | |
| Superotemporal, mean (SD) | 80.85 (15.31) | 71.26 (10.00) | 0.309 | |
Values obtained from optical coherence tomography was corrected with the Littmann’s formula.
VFD visual field defect, RNFL retinal nerve fiber layer, GCIPL ganglion cell inner plexiform layer.
Mean values are presented with standard deviations.
Student’s t-test after Propensity score match.
Bold font indicates significant P values (P < 0.05).