Table 3.
Performance characteristics of the Omicron assays compared to genome sequencing1.
| BA.1 (%) | BA.2 (%) | BA.4 (%) | BA.5 (%) | |
|---|---|---|---|---|
| Positive percent agreement | 100 (79.4–100) | 88.1 (85.0–90.7) | 92.6 (90.6–94.4) | 98.3 (98.1–98.5) |
| Negative percent agreement | 100 (99.97–100) | 99.9 (99.8–99.9) | 100 (99.97–100) | 99.9 (99.5–99.98) |
| Positive predictive value | 100 | 96.8 (94.8–98.1) | 100 | 99.98 (99.9–100) |
| Negative predictive value | 100 | 99.5 (99.4–99.6) | 99.5 (99.4–99.6) | 87.4 (85.8–88.9) |
195% confidence intervals are displayed in parentheses.