Magnitude and Predisposing Factors of Difficult Airway during Induction of General Anaesthesia

Table 5

Difficult intubation and difficult airway predictors.

Variables	Sensitivity	Specificity	PVPT	PVNT	Area	value	95% CI interval
							Upper	Lower
OPV	75%	91.7%	48.4%	97.2%	0.834	<0.001	0.719	0.948
JSD	65%	81.8%	27.1%	95.7%	0.734	0.001	0.607	0.861
ILL	75%	81.8%	30%	96.9%	0.784	<0.001	0.669	0.898
Combined	35%	97.9%	63.6%	97.9%	0.665	0.015	0.517	0.812
SMD	50%	71.4%	15.4%	93.2%	0.607	0.124	0.472	0.742
MBL	35%	85.9%	20.6%	92.7%	0.605	0.116	0.463	0.764
TMD	40%	52.1%	8%	89.3%	0.460	0.560	0.329	0.592