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.
Meta-analysis results for secondary outcomes. (A). Duration time of sensory blockade comparing 0.75% ropivacaine and 0.5% ropivacaine. (B). Duration time of motor blockade comparing 0.75% ropivacaine vs. 0.5% ropivacaine. (C). Time of first oral analgesia comparing 0.75% ropivacaine vs. 0.5% ropivacaine. (D). Time of first oral analgesia comparing 0.5% ropivacaine vs. 1% ropivacaine. SD, standard deviation; IV, inverse variance method; CI, confidence interval.
