Comparing Four Video Laryngoscopes and One Optical Laryngoscope with a Standard Macintosh Blade in a Simulated Trapped Car Accident Victim

Table 3

Time to best view (TTBV) and time to intubation (TTI).

			McI (1)	C-MAC® (2)	C-MAC® PM (3)	D-Blade (4)	Airtraq® SP (5)	Truview PCD™-R (6)
Time to best view (TTBV)	Window	Median (25th/75th percentile) (s)	10.4 (5.7/14.9)	6.0 (3.8/8.6)	8.0 (4.8/13.4)	4.7 (3.3/7.8)	9.3 (6.9/15.4)	10.1 (5.8/23.1)
		Sign.	2,; 4,	5,; 6,	NS	5,; 6,	NS	NS
	Backseat	Median (25th/75th percentile) (s)	4.8 (3.5/5.8)	4.4 (3.6/5.5)	5.1 (3.6/6.8)	4.1 (3.0/5.8)	9.4 (6.3/15.9)	7.1 (4.2/11.1)
		Sign.	5,; 6,	5,; 6,	5,	5,; 6,	NS	NS
Time to intubation (TTI)	Window	Median (25th/75th percentile) (s)	21.1 (14.7/39.0)	14.2 (9.7/23.2)	20.9 (15.0/31.8)	20.9 (14.1/67.2)	16.7 (11.8/34.0)	37.4 (18.4/117.6)
		Sign.	NS	6,	NS	NS	6,	NS
	Backseat	Median (25th/75th percentile) (s)	7.3 (5.9/9.5)	8.8 (6.9/10.3)	9.5 (7.2/13.8)	12.6 (8.6/18.9)	14.6 (10.3/27.1)	17.7 (11.8/47.1)
		Sign.	4,; 5,; 6,	4,; 5,; 6,	5,; 6,	NS	NS	NS

McI = Macintosh (direct laryngoscopy); NS = nonsignificant; significant; s = seconds; lower median indicates faster TTBV or TTI.