From: Intravenous lidocaine improves postoperative cognition in patients undergoing laparoscopic colorectal surgery: a randomized, double-blind, controlled study
Lidocaine group
(n = 73)
Control group
(n = 77)
P value
Postoperative WBC(10^9/L)
8.5 ± 2.7
10.4 ± 3.3
< 0.001
Postoperative CPR(µg/mL)
58.5 ± 25.9
69.6 ± 41.9
0.226