Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Positive | Negative | Total | Rate | |
| Saliva | 51 | 2735 | 2786 | 1.8% |
| OP Swab | 64 | 5446 | 5510 | 1.2% |
| OP Swab (+) | OP Swab (-) | Agreement | Kappa (95% CI) | |
| Saliva (+) | 32 | 19 | 99.21% | 0.740 (0.636–0.845) |
| Saliva (-) | 3 | 2732 |
Summary statistics and concordance data for observed positivity rates during the validation phase. Neutral agreement (kappa) statistic excludes retest results following referral from earlier saliva positive.
