Table 6.

Multivariate analysis, ∆STAI-6 as dependent variable

	Regression coefficient β	95% CI interval		p-value
		Lower	Upper
Interventiona	5.080	0.898	9.262	0.018
Interventionb,c	4.889	1.303	8.475	0.009
Sexd	− 3.275	− 6.949	0.399	n.s
STAI-6 baseline	− 0.492	− 0.709	− 0.274	< 0.001

∆STAI-6 STAI-6 anxiety score 15 min post-operative – STAI-6 anxiety score pre-operative; n.s. non-significant

^acrude analyses, constant =  − 8.640

^bAdjusted analyses, constant = 9.665. Adjusted R² = 0.442

Intervention: ^cAD = baseline, Sex: ^dMale = baseline considered significant (p < 0.05)