Comparison of i-Gel as a Conduit for Intubation between under Fiberoptic Guidance and Blind Endotracheal Intubation during Cardiopulmonary Resuscitation: A Randomized Simulation Study

Table 3

Comparisons of intubation time among three intubation techniques according to the kinds of endotracheal tubes.

		MCL	IGI	IBRI	value^§ MCL vs IGI	value^§ MCL vs IBRI	value^§ IGI vs IBRI
VET (IIT)	PVC	6.4 ± 3.2	4.3 ± 1.3	4.5 ± 1.6	0.002	0.002	0.205
	WRS	5.8 ± 2.3	4.1 ± 1.4	4.3 ± 1.2	0.001	0.009	0.277
	value	0.615	0.306	0.173
TPT	PVC	13.5 ± 9.3	14.3 ± 8.3	24.7 ± 12.5	0.543	<0.001	0.001
	WRS	12.9 ± 5.3	11.2 ± 3.2	22.8 ± 17.3	0.173	<0.001	<0.001
	value	0.548	0.114	0.189
FVT	PVC	20.2 ± 9.7	17.6 ± 8.9	29.3 ± 12.5	0.016	<0.001	0.001
	WRS	19.9 ± 6.7	14.6 ± 3.4	27.4 ± 19.1	<0.001	0.001	<0.001
	value	0.426	0.217	0.189
VET-TPT	PVC	7.0 ± 8.6	9.8 ± 8.4	20.0 ± 12.2	0.007	<0.001	0.001
	WRS	7.1 ± 4.0	7.3 ± 2.3	18.8 ± 17.5	0.314	<0.001	<0.001
	value	0.098	0.259	0.355
TPT-FVT	PVC	6.7 ± 1.8	3.3 ± 1.0	4.6 ± 0.9	<0.001	<0.001	<0.001
	WRS	7.0 ± 2.0	3.3 ± 0.9	4.6 ± 2.0	<0.001	0.001	0.001
	value	0.346	0.348	0.291

^§ considered for significant difference by using Bonferroni’s correction. considered for significant difference by the Wilcoxon signed-rank test in the comparison between PVC and WRS tubes. MCL = Macintosh laryngoscopy; IGI = i-gel blind intubation; IBRI = i-gel bronchoscopic intubation; VET = vocal cord exposure time; IIT = i-gel insertion time; TPT = tube pass time; FVT = first ventilation time; PVC = polyvinyl chloride endotracheal tube; WRS = wire-reinforced silicone endotracheal tube.