From: Intraperitoneal ropivacaine with dexamethasone versus ropivacaine alone for pain relief after laparoscopic cholecystectomy: a randomized prospective trial
Variables
Group RD (mean ± SD)
Group RS (mean ± SD)
P value
Time to first rescue analgesia (hours)
10.57 ± 7.83
7.56 ± 3.56
0.0151
Total dose of diclofenac (mg) in 24 h
87.5 ± 28.55
108.62 ± 47.37
0.0082