The evaluation of maximum condyle-tragus distance can predict difficult airway management without exposing upper respiratory tract; a prospective observational study

Table 5 Agreement test between each predictor and difficulty laryngoscopy (n = 304)

Predictors		Difficult laryngoscopy		κ value	95% CI
Predictors		NO	YES	κ value	95% CI
C-TMD	>1 finger	184	4
C-TMD	<1finger	81	35	0.485	0.286–0.612
IID	>3finger	173	8
IID	<3finger	92	31	0.382	0.127–0.534
ULBT	1 grade	117	6
ULBT	>1 grade	148	33	0.127	0.035–0.216
Mallampati Test	<3 grade	128	5
Mallampati Test	>2 grade	137	34	0.138	0.17–0.255

Abbreviations: ULBT Upper lip bite test, IID interincisor distance, C-TMD condyle-tragus maximal distance, CI confidence interval

ISSN: 1471-2253