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Estimated Positive Predictive Value (PPV) and Negative Predictive Value (NPV) at Three Prevalence Levels
| 0.5% prevalence | 2% prevalence | 5% prevalence | ||||
|---|---|---|---|---|---|---|
| PPV | NPV | PPV | NPV | PPV | NPV | |
| FDA | 1.6% | 99.9% | 6.2% | 99.7% | 14.6% | 99.3% |
| AAO-HNS | 0.6% | 99.9% | 2.4% | 99.8% | 6.1% | 99.5% |
