Table 2.

Airway assessment and intraoperative airway management by median propensity to OSA

Variable	Median Propensity	p value	n1
Mallampati
I	0.129	< 0.001
II	0.213
III	0.313
IV	0.515
Neck Extension
Normal	0.167	< 0.001
Moderately decreased	0.337
Severely decreased	0.309		4
Neck Flexion
Normal	0.170	0.015
Moderately decreased	0.328
Severely decreased	0.101
Number of attempts at laryngoscopy
1	0.154	0.001
2	0.250
3	0.344
4	0.504		5
Laryngoscopic Grade View
1	0.150	< 0.001
2	0.224
3	0.383
4	0.400
Fiberoptic Bronchoscopy
No	0.160	0.010
Yes	0.494		10
Stylette Needed
No	0.163	0.100
Yes	0.230
Planned LMA
No	0.170	0.601
Yes	0.175
Change in A.M.
No	0.171	0.101
Yes	0.307		8
Intubation due to change in A.M.
No	0.171
Yes	0.227	0.420	4

¹Number of patients ≤ 10 for this variable result.

LMA, laryngeal mask airway; A.M., anesthetic management