VFA test results for subjects with known glaucoma status
| Test—VFA | Glaucoma (true status) | ||
|---|---|---|---|
| Present | Absent | Total | |
| Test positive | 24 True positive | 18 False positive | 42 |
| Test negative | 1 False negative | 57 True negative | 58 |
| Total | 25 | 75 | 100 |
VFA, Visual Field Analyser.