A test prototype of a novel flexible video laryngoscope and preliminary verification in a difficult airway management simulator

Table 2 Comparison of the indices between flexible video laryngoscope and visual laryngoscope

Index	Neutral position with intermediate mouth opening			Neutral position with difficult mouth opening
Index	FVL	VL	P	FVL	VL	P
Cormack Lehane score	1 (1–1)	2 (2–3)	< 0.001	1 (1–1)	3 (3–3)	< 0.001
Intubation time(s)	40 (30–48)	27 (18–90)	0.460	33 (28–43)	90 (21–90)	0.078
Score of difficult intubations	1 (1–4)	5 (3–7)	0.001	1 (1–3)	8 (8–10)	0.001

Data are median (interquartile range). FVL: flexible video laryngoscope; VL: video laryngoscope

ISSN: 1475-925X