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.
This diagram compares the VAS pain scores on movement in the four groups. The VAS scores on movement in the 4 ml/h group are significantly lower than the control on PODs 1 and 2, but only on POD 1 in 6 ml/h. VAS: visual analog scale, PACU: postanesthesia care unit, POD: postoperative day. *P < 0.05 compared to the 0 ml/h group.
