Fig. 2.
Use of WOMAC total and subscales as a trial outcome measure (n = 62) (Number of trials shown in graph bars, percentage of trials shown on y-axis)
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.