Effect of nalbuphine on analgesia and pain factors after gastric cancer resection

Table 4 Comparison of adverse reactions between the two groups, n (%)

Group	Nausea and vomitting	Shiver	Dizzy	Drowsiness	Retention of urine	Respiratory depression	Total
Observation (n = 54)	1 (1.85)	0	1 (1.85)	1 (1.85)	0	0	3 (5.56)
Control (n = 54)	3 (5.56)	2 (3.70)	2 (3.70)	2 (3.70)	1 (1.85)	2 (3.70)	12 (22.22)
χ2							6.271
P value							0.012