FIGURE 2.
Severity of AD at the end of the study for both groups. Error bars: 95% CI, (P < .05)
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.