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.
Improvement in Patient-Reported Outcomes Measurement Information System (PROMIS) pain interference scores from pre- to postoperative. Values that share the same lowercased letter are not significantly different from each other. Error bars indicate ±2 SE.
