Table 1.
Sensitivity and specificity comparison between SARS-CoV-2 rapid antigen tests and RT-qPCR.
| Tested (n) | SARS-CoV-2 qPCR | Sensitivity (95% CI) | Specificity (95% CI) | Cohen´s kappa (95% CI) | ||
|---|---|---|---|---|---|---|
| Positive | Negative | |||||
| Panbiob | 286 | 156 | 130 | 71.8% (64.0–78.7) | 100% (97.2–100) | 0.70 (0.62–0.78) |
| Orient Gene Biotechc | 332 | 156 | 176a | 79.5% (72.3–85.6) | 74.4% (67.3–80.1) | 0.54 (0.45–0.63) |
a) 46 additional RT-qPCR negative samples were analyzed with Orient Gene Biotech rapid antigen test.
b) Abbott Panbio™ COVID-19 Ag Rapid Test.
c) Zhejiang Orient Gene/Healgen Biotech Coronavirus Ag rapid test cassette.