From: Effect of esketamine on postoperative analgesia and postoperative delirium in elderly patients undergoing gastrointestinal surgery
Grouping
Total
(Case)
Nausea and vomiting [case (%)]
No nausea and vomiting [case (%)]
Chi-squared test
Chi-squared value
P value
Control group
30
22(73.3)
8(26.7)
1.200
0.273
Experimental group
18(60)
12(40)