Fig. 4.
Course of pre- to postoperative leg pain alleviation over the first postoperative year. The linear regression shows the average pain over the postoperative time. The dotted lines are 95% confidence intervals
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.