From: Comparison of dose–response to two different doses of intravenous lidocaine for analgesia in patients undergoing elective laparoscopic cholecystectomy under general anesthesia
Mean time (min) to first rescue analgesia in two groups
n
Mean (min)
SD
Range (min)
p value
Group A
26
30.65
± 14.63
10–65
< 0.0001
Group B
49.42
± 17.47
12–76