. Author manuscript; available in PMC: 2014 Aug 7.

Published in final edited form as: Gastrointest Endosc. 2011 Dec;74(6):1238–1247. doi: 10.1016/j.gie.2011.09.006

Table 4. Airway maneuvers and sedation related complications based on body mass index.

Intervention/complication	BMI			p value^*
	< 30 (n, %)	30-35 (n, %)	> 35 (n, %)
Any airway maneuver	77 (10.5)	30 (18.9)	34 (26.8)	<0.001
Chin Lift	68 (9.3)	23 (14.5)	22 (17.5)	0.003
Modified Mask	16 (2.2)	12 (7.5)	19 (15)	<0.001
Nasal Airway	16 (2.2)	9 (5.7)	15 (11.8)	<0.001
Bag Mask Ventilation	1 (0.1)	1 (0.6)	1 (0.8)	0.142
Endotracheal intubation	0 (0)	0 (0)	0 (0)	1.000
Sedation related complications
Hypoxemia	42 (5.3)	15 (9.4)	17 (13.4)	0.001
Hypotension requiring vasopressors	7 (1)	1 (0.6)	0 (0)	0.254
Early termination of procedure	5 (0.7)	1 (0.6)	0 (0)	0.401

Mantel-Haenszel test for trend