Diagnostic performance of commercial type specific serological tests* related to population prevalence
| Prevalence | PPV (%) | NPV (%) | % False positive tests | % False negative tests |
|---|---|---|---|---|
| *Assumes test sensitivity of 95% and specificity of 98%.22 | ||||
| PPV, positive predictive value; NPV, negative predictive value. | ||||
| 5% | 71% | 100% | 29% | 0% |
| 10% | 83% | 100% | 17% | 0% |
| 15% | 88% | 99% | 12% | 0% |
| 20% | 90% | 99% | 10% | 1% |