The patients represented in a flowchart according to the treatment groups (intention-to treat) at baseline, 2 years, and 5 years.
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.