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Table 1 Comparison of the level of anxiety before and after the intervention in the intervention and placebo groups

From: Effects of aromatherapy with Matricaria chamomile essential oil on anxiety and hemodynamic indices in patients with acute coronary syndrome, 2021: a randomized controlled trial

Anxiety

Group

Intervention

Placebo

Significance level*

Numbers (%)

Numbers (%)

Before the intervention

Mild

3 (3.90%)

0 (0.00%)

0.319*

Moderate

63 (81.82%)

67 (87.01%)

Intense

11 (14.29%)

10 (12.99%)

After the intervention

Mild

48 (62.34%)

1 (1.30%)

*<0.001

Moderate

29 (37.66%)

68 (88.31%)

Intense

0 (0.00%)

8 (10.39%)

 

Significance level**

< 0.001

0.250

 
  1. *Fisher exact test **Sign test