Table 1.

Comparison the frequency of nausea occurrence among the three groups in various times (Pearson Chi-Square Test, df = 2)

Number of Measurements	Group	Nausea						p-value
		Yes		No		Total
		n	%	n	%	n	%
In Recovery	Intervention 1	4	10	36	90	40	100	p < 0.001
	Intervention 2	6	15.8	32	84.2	40	100
	Control	0	0	42	100	42	100
Entering The Unit	Intervention 1	6	15	34	85	40	100	p > 0.3
	Intervention 2	5	13.2	33	86.8	40	100
	Control	0	0	42	100	42	100
Two Hours After Entering The Unit	Intervention 1	4	10	36	90	40	100	p < 0.04
	Intervention 2	3	7.5	37	86.5	40	100
	Control	0	0	42	100	42	100
6 Hours After Entering The Unit	Intervention 1	1	2.5	39	97.5	40	100	p < 0.02
	Intervention 2	5	13.2	33	86.8	40	100
	Control	1	2.4	41	97.6	42	100
Total						122	100