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.
Box plots of post-operative NRS scores at different time points between the four groups. Data are presented as median (interquartile range) and extreme vales. *P<0.05 vs. group R. #P<0.05 vs. group RD1. +P<0.05 vs. group RD2. R, TAP block with 0.3% ropivacaine; RD1, TAP block with ropivacaine and 0.5 µg/kg dexmedetomidine; RD2, TAP block with ropivacaine and 1 µg/kg dexmedetomidine; RD3, TAP block with ropivacaine and 2 µg/kg dexmedetomidine.
