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Sample estimates of discriminatory power and predictive values for SAP and FDT to detect individuals classified as having glaucomatous optic neuropathy in either eye
| SAP (HFA 24-2 Sita-Fast) | FDT (Matrix 24-2) | |
| Sensitivity, % (95% CI) | 80 (44 to 100) | 100 (72 to 100) |
| Specificity, % (95% CI) | 52 (38 to 66) | 26 (14 to 38) |
| Positive predictive value (95% CI) | 0.26 (0.14 to 0.38) | 0.31 (0.18 to 0.44) |
| Negative predictive value (95% CI) | 0.93 (0.86 to 1.00) | 1.00 (0.72 to 1.00) |
