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Sensitivity, specificity, positive (PPV) and negative (NPV) predictive values of the rapid saliva antigen tests.
| DIAGNOS (95% CI) | Rapid Response (95% CI) | |
|---|---|---|
| Sensitivity | 50.0% (26.0–74.0) | 38.9% (17.3–64.3) |
| Specificity | 100% (91.4–100) | 100% (91.4–100) |
| PPV | 100% (NA) | 100% (NA) |
| NPV | 82.0% (74.2–87.9) | 78.9% (72.1–84.4) |
