Self-test Type | True Positives n (%) | False Negatives n (%) | False Positives n (%) | True Negatives n (%) | Sensitivity (95% CI) | Specificity (95% CI) |
---|---|---|---|---|---|---|
Oral-fluid-based (n = 416) | 16 (3.8) | 2 (0.5) | 5 (1.2) | 393 (94.5) | 88.9% (65.3–98.6%) | 98.7% (97.1–99.6%) |
Blood-based (n = 244b) | 11 (4.6) | 0 (0) | 1 (0.4) | 232 (95.1) | 100.0% (71.5–100.0%) | 99.6% (97.6–100.0%) |