Table 4.

Comparison of severity of nausea and emesis before and after the intervention in the control and experiment groups

Variable	Group				Mann−Whitney U test
	Experiment		Control
	Before	After	Before	After
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Emesis	3.07 ± 1.91	1.5 ± 1.52	2.8 ± 2.003	2.61 ± 1.87	Before the intervention: p = 0.727 Z = −0.349 After the intervention: p = 0.029 Z = −02.186 Before the intervention: p = 0.769 Z = −0.294 After the intervention: p = 0.009 Z = −2.605
Wilcoxon test	p = 0.0001 Z = −3.673		p = 0.06 Z = −1.89
Nausea	2.11 ± 1.96	0.76 ± 1.17	2.3 ± 2.05	2.15 ± 1.89
Wilcoxon test	p = 0.0001 Z = −3.673		p = 0.06 Z = −1.89