Figure 4.
Averaged differences (± SD) of individual pre-/post-treatment visual analogue scale (VAS) values over total study period (T1–T4).
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.