Table 3. Incidence of nausea, vomiting and PONV in the groups.

Variable	GI (%) (n = 40)	GII (%) (n = 40)	P (2 tailed)
Nausea
0 to 1 h	4 (10.0)	3 (7.5)	0.69
1 to 6 h	1 (2.5)	1 (2.5)	1.00
6 to 24 h	0	2 (5.0)	1.00
24 to 48 h	2 (5.0)	5 (12.5)	0.43
Overall 0 to 48 h	6 (15.0)	11 (27.5)	0.17
Vomiting
0 to 1 h	0	1 (2.5)	0.3
1 to 6 h	0	0	0
6 to 24 h	0	0	0
24 to 48 h	0	0	0
Overall 0 to 48 h	0	1 (2.5)	0.3
PONV
0 to 1 h	4 (10.0)	3 (7.5)	0.69
1 to 6 h	1 (2.5)	1 (2.5)	1.00
6 to 24 h	0	2 (5.0)	1.00
24 to 48 h	2 (5.0)	5 (12.5)	0.43
Overall 0 to 48 h	6 (15.0)	11 (27.5)	0.17

Data are the numbers (%). GI: palonosetron 1 μg kg^-1; GII: palonosetron 75 μg; PONV: postoperative nausea and vomiting; % percentage. The statistical calculator MedCal was used using GI and GII and corresponding sample size proportion.