TABLE 4.
Agreement between Veritor and Sofia 2 for detection of SARS-CoV-2a
| Parameter | Result |
|---|---|
| % agreement (95% CI) | |
| PPA | 97.4 (86.5–99.5) |
| NPA | 98.1 (96.0–99.1) |
| OPA | 98.1 (96.1–99.1) |
| Test finding (no.) | |
| Veritor (+)/Sofia 2 (+) | 37 |
| Veritor (–)/Sofia 2 (+) | 1b |
| Veritor (+)/Sofia 2 (–) | 6c |
| Veritor (–)/Sofia 2 (–) | 317 |
a
Abbreviations: PPA, positive percent agreement; NPA, negative percent agreement; OPA, overall percent agreement; CI, confidence interval.
b
The one negative Veritor test/positive Sofia 2 test result was positive by Lyra assay discordant testing.
c
Of the six positive Veritor test/negative Sofia 2 test results, five were positive and one was negative by Lyra assay discordant testing.