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.
Confusion matrix comparing self-reported vaccination status with the Québec Vaccination Registry data for all participants whose emergency department index visit occurred between March 24, 2020, and December 25, 2021 (n=1361).
| Self-reported vaccination status (index test) | Vaccination status in the Québec Vaccination Registry (reference standard), n | |
|
|
Yes | No |
| Yes | 896 | 36 |
| No | 17 | 412 |
