From: The effect of lidocaine intraoperative infusion on quality of postoperative sleep in patients undergoing thyroidectomy: a randomized controlled trial
Normal saline group (n = 35)
Lidocaine group (n = 33)
t
P
The VAS scores in the 7th day
1.20 ± 1.45
1.02 ± 1.14
0.603
0.549
The VAS scores in the 30th day
0.47 ± 0.75
0.55 ± 0.84
-0.401
0.690