Figure 1.
PDQ-39 scores at baseline (T0), 12 months (T1), and 24 months (T3).
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.