Investigating the Effect of Acupressure on the Patients’ Anxiety Before Open-Heart Surgery: A Randomized Clinical Trial

Table 2 Changes of anxiety levels after acupressure.

Group	Anxiety type	Mean ± SD of anxiety before first intervention	Mean ± SD of anxiety after the second intervention	p
Test	State anxiety	47.77 ± 10.13	38.75 ± 7.79	< 0.001†
Control		44.95 ± 10.14	45.06 ± 11.75	0.72*
p		0.16‡	0.01‡
Test	Trait anxiety	41.26 ± 6.35	39.64 ± 6.03	0.01*
Control		40.40 ± 7.82	41.06 ± 7.76	0.13†
p		0.77‡	0.33§

Between-group and within-group comparison of the state and trait anxiety before the first intervention and following the second acupressure intervention.
^* Wilcoxon test.
^† Paired t test.
^‡ Mann–Whitney test.
^§ Independent t test.

ISSN: 3059-4049