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.
A, Distribution of risk and reliability adjusted average pain scores on the first day after minimally-invasive colorectal resection, by hospital (n=2500). B, Distribution of risk and reliability adjusted average pain scores on the first day after open colorectal resection, by hospital (n=4084).
