Change in management of predicted difficult airways following introduction of video laryngoscopes

Table 3 Airway management n (%)

	Pre-VL	Post-VL
	Count (%)	Count (%)	P value
Grade (Cormack-Lehane view obtained)			0.0141
1	86 (57)	149 (75)
2	43 (29)	28 (14)
3	19 (13)	16 (8)
4	2 (13)	5 (3)
Intubation method			< 0.00011
FOI	72 (37)	44 (19)	0.00931
VL	4 (2)	119 (51)	< 0.00011
DL	118 (2)	70 (30)	0.00051
Rapid sequence induction			0.1489
RSI	30 (17)	27 (12)
Rescue LMA used			0.7055
Yes	4 (17)	3 (1)
Patient left intubated			0.5467
Yes	24 (12)	25 (12)

¹Significantly different between Pre-VL and Post-VL groups. P value and odd ratio calculated with χ² test and Mantel-Haenszel χ² test. SD: Standard deviation; VL: Video laryngoscope; FOI: Fiberoptic Intubation; DL: Direct laryngoscopy; LMA: Laryngeal mask airway.