Table 3.
Estimation of clinical performance of the Clinitest Rapid COVID-19 Antigen Test compared to RT-PCR.
Relative Sensitivity (CI 95%) | 93.3% (89.7–96.8) |
Sensitivity days ≤ 5 (CI 95%) | 93.6% (89.2–96.3) |
Sensitivity CT < 25 (CI 95%) | 98.4% (94.5–99.6) |
Relative Specificity (CI 95%) | 99.2% (97.2–99.8) |
Agreement (kappa index; CI 95%) | 96.7% (0.93; 0.90–0.97) |
Positive predictive value (CI 95%) | 98.9% (96.1–99.7) |
Negative predictive value (CI 95%) | 95.2% (91.9–97.2) |