Fig. 4. Improvement in pain score. *p<0.001, preoperative vs. final follow-up. VAS : visual analogue scale.
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.