Fig. 1.
Mean numeric rating scale (NRS) pain score during 45° flexion of knee. POD: postoperative day.
a)p-values by independent-samples t-test; statistically significant (p<0.05).
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.