Is Infusion of Subhypnotic Propofol as Effective as Dexamethasone in Prevention of Postoperative Nausea and Vomiting Related to Laparoscopic Cholecystectomy? A Randomized Controlled Trial

Table 2

Incidence of nausea and vomiting during 24 h postoperatively.

	Group; D; ()	Group; P; ()	Group; C; ()
Scale of PONV 0–6 hours
none	28 (70%)	27 (67.5%)	14 (35%)
Nausea	8 (20%)	6 (15%)	12 (30%)
Nausea with request for antiemetics	4 (1%)	2 (5%)	10
Vomiting	0	4 (10%)	4
Total PONV (, %)	12 (30%)	12 (30%)	26 (65%)^*#
Rescue antiemetic ()	4	4	13^*#
Scale of PONV 6–12 hours
None	32 (80%)	29 (72.5%)	19
Nausea	8 (20%)	10 (25%)	13
Nausea with request for antiemetics	0	0	2
Vomiting	0	0	6
Total PONV (, %)	8 (20%)	10 (25%)	21 (52.5%)^*#
Rescue antiemetic ()	1	3	8^*
Scale of PONV 12–24 hours
None	36 (90%)	31 (77.5%)	22 (55%)
Nausea	4 (10%)	7 (17.5%)	16 (40%)
Nausea with request for antiemetics	0	1 (2.5%)	0
Vomiting	0	0	2 (5%)
Total PONV (, %)	4 (10%)	8 (20%)	18 (45%)^*#
Rescue antiemetic ()	0	1	3
0–24 hours
Total PONV (, %)	15 (37.5%)	16 (40%)	29 (72.5%)^*#

Compared with group D , ^#compared with group P .