Table 2.
Determination of assay sensitivity for nine SARS-CoV-2 rapid antigen tests in SARS-CoV-2 PCR-positive respiratory swabs classified as omicron
| Assay | Sensitivity (%) | 95% CI (%) | True positive/total |
|---|---|---|---|
| Test 1 | 22.22 | 15.16–31.36 | 22/99 |
| Test 2 | 35.64 | 26.99–45.35 | 36/101 |
| Test 3 | 31.68 | 23.42–41.29 | 32/101 |
| Test 4 | 35.64 | 26.99–45.35 | 36/101 |
| Test 5 | 47.52 | 38.06–57.18 | 48/101 |
| Test 6 | 43.00 | 33.73–52.78 | 43/100 |
| Test 7 | 29.70 | 21.67–39.23 | 30/101 |
| Test 8 | 51.49 | 41.86–61.00 | 52/101 |
| Test 9 | 57.43 | 47.69–66.62 | 58/101 |
Binomial confidence intervals were computed using the Wilson score interval