TABLE 4.
Contingency Tables of Visual Field Outcomes for SWAP Using FT and SITA and Optic Disc Stereophotograph Classification of Participants with or without GON
| ROC PSD 95% Specificity |
Machine PSD 95% (P < 5%) |
Machine PSD 99.5% (P < 0.5%) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Classification | Abnormal | Normal | Abnormal | Normal | Abnormal | Normal | |||
| SWAP-FT | |||||||||
| GON | 105 | 181 | 286 | 114 | 172 | 286 | 60 | 226 | 286 |
| 36.7* | 63.3 | 39.9* | 60.1 | 21.0* | 79.0 | ||||
| Non-GON | 14 | 275 | 289 | 19 | 270 | 289 | 0 | 289 | 289 |
| 4.8 | 95.2† | 6.6 | 93.4† | 0.0 | 100.0† | ||||
| SWAP-SITA | |||||||||
| GON | 94 | 192 | 286 | 173 | 113 | 286 | 105 | 181 | 286 |
| 32.9* | 67.1 | 60.5* | 39.5 | 36.7* | 63.3 | ||||
| Non-GON | 13 | 276 | 289 | 86 | 203 | 289 | 25 | 264 | 289 |
| 4.5 | 95.2† | 29.8 | 70.2† | 8.7 | 91.3† | ||||
Visual field abnormality is determined by the PSD derived by the ROC curve at 95% specificity, the machine PSD at 95% (P < 5%), and the machine PSD at 99.5% (P < 0.5%).
*
Sensitivity.
†
Specificity.