Figure 2.
Mean postoperative pain scores. Mean pain scores using a visual analog scale at hours 1, 2, and 4 and days 1 and 2 after surgery.
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.