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.
Whiskers indicate quartile 3 plus 1.5 times the IQR; bars, IQR (quartile 1 to quartile 3); the dots, outlying values; black lines, medians. The sample sizes for all data points are 95 for the opioid-sparing group and 98 for standard care group.
