TABLE 2.
COVID-19 2SF assay result | Standard-of-care assay result (no.) |
||
---|---|---|---|
Positive | Negative | Total | |
Positive | 35 | 0 | 35 |
Negative | 6 | 21 | 27 |
Total | 41 | 21 | 62 |
Positive percent agreement (PPA), 85.4% (95% confidence interval [CI], 70.8 to 94.4%). Negative percent agreement (NPA), 100% (95% CI, 83.9 to 100%).