Table 3

- Comparisons of the SAI and ICQ Points of the groups before and after the procedure.

Variables	Groups				Test statistics^{^†}
	Control		Intervention		Test statistics^{^†}
	$\text{[math]}$	95% CI	$\text{[math]}$	95% CI	F	P-value
SAI
0 hour	46.0	(40.8-51.2)	45.8	(41.4-50.2)	0.022	0.796
4 hours	45.3	(39.9-50.6)	44.1	(39.6-48.7)	0.159	0.691
Test statistics^{^‡}	F=0.006; p=0.938		F=0.162; p=0.688
Group effect: F=0.308; p=0.580 Time effect: F=14.556; p<0.001 Group x Time effect: F=0.032; p=0.858 Effect size=0.031; Statistical power=5.4%
ICQ
0 hour	80.6	(75.6-85.6)	86.1	(80.9-91.2)	1.331	0.251
4 hours	68.5	(64.7-72.1)	89.7	(85.9-93.5)	36.801	<0.001
Test statistics^{^‡}	F=31.671; p<0.001		F=2.698; p=0.104
Group effect: F=13.622; p<0.001 Time effect: F=6.421; p=0.013 Group x Time effect: F=15.052; p<0.001 Effect size=0.388, Statistical power=97.0%

*Two-way analysis of covariance in repeated measures (adjusted for VAS),

$\text{[math]}$ : Mean, CI: confidence interval,

VAS: Visual analog scale. SAI: State anxiety inventory,