Comparison of the Effect of Inhalation Aromatherapy with 10% and 30% Peppermint Essential Oils on the Severity of Nausea in Abdominal Surgery Patients

Table 2

Mean of nausea before and after intervention in study groups.

Groups	Before, mean ± SD^a	After, mean ± SD	Test result
10% peppermint	52.31 ± 13.86	40.50 ± 13.35	t^b = 12.30
			30% peppermint	60.25 ± 14.98	39.75 ± 12.38	t = 14.42
Control	50.68 ± 17.36	47.78 ± 13.72				t = 1.05; NS^c
Result of the one-way analysis of variance	F = 4.37	F = 8.49

^astandard deviation. ^bbased on the independent samples t-test. ^cnonsignificant.