Calculated PPV for theoretical populations with of prevalence of 0.5%–10% and test specificity of 98%–99.5%
| Prevalence | PPV at 98% Spec | PPV @ 99% Spec | PPV @ 99.5% Spec | PPV @ 99.9% Spec |
|---|---|---|---|---|
| 10% | 84.1 | 91.3 | 95.4 | 99.1 |
| 5% | 71.4 | 83.3 | 90.1 | 98.0 |
| 2% | 49.2 | 65.9 | 79.4 | 95.1 |
| 1% | 32.4 | 48.9 | 65.7 | 90.5 |
| 0.5% | 19.2 | 32.3 | 48.8 | 82.6 |