. 2023 Jan 29;15(1):39–44. doi: 10.34172/ahj.2023.1364

Table 4. Occurrence of postoperative nausea and vomiting .

Evaluation (h)	Nicotine (n=50)				Placebo (n=50)				P value^a
Evaluation (h)	No nausea, No vomiting	Nausea present, No vomiting	Nausea present, Vomiting, present	Vomiting>2 episodes in 30 min	No nausea, No vomiting	Nausea present, No vomiting	Nausea present, Vomiting, present	Vomiting>2 episodes in 30 min	P value^a
0	22(44%)	21(42%)	7(14%)	0	20(40%)	21(42%)	9(18%)	0	0.7
6	24(48%)	18(36%)	5(10%)	3(6%)	24(48%)	22(44%)	4(8%)	0	0.3
12	32(64%)	16(32%)	1(2%)	1(2%)	39(78%)	9(18%)	2(4%)	0	0.2
24	42(84%)	6(12%)	2(4%)	0	41(82%)	8(16%)	0	1(2%)	0.3
Antiemetics	19 (38)				16 (32)				0.1

^a Chi- square; Fisher’s exact test.