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Cut Point Set With A 0.1% FPER (99.99% Specificity)
| Called by assay | ||||||
|---|---|---|---|---|---|---|
| Pos. | Neg. | Total | ||||
| True | Pos. | 47,500 | 2500 | 50,000 | 95.00% | = (Sensitivity or 1-FNER) |
| Neg. | 95 | 949,905 | 950,000 | 99.99% | = (Specificity or 1-FPER) | |
| Total | 47,595 | 952,405 | 1,000,000 | |||
| 99.80% | 99.74% | 5.00% | ||||
| (PPV) | (NPV) | (Prevalence) | ||||
(Assuming 95% sensitivity and 5% antibody prevalence in the general population). A population size of 1 million is assumed for illustration
