Figure 1.
Confusion Assessment Method (CAM) criteria: at least one criterion on each of the three rows must be met for a positive result.
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.