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Measured and simulated overall positive predictive values (PPVs) and negative predictive values (NPVs) with 95% confidence intervals.
| Prevalence | Parameter | Estimate | 95% CI | |
|---|---|---|---|---|
| Lower | Upper | |||
| Test | ||||
| 17% | PPV | 93% | 78% | 98% |
| NPV | 99% | 95% | 100% | |
| 40% | PPV | 98% | 92% | 99% |
| NPV | 96% | 85% | 99% | |
| 3% | PPV | 68% | 35% | 90% |
| NPV | 100% | 99% | 100% | |
