Table 5.

Adverse events related to oxygen delivery system

Adverse event	NCO group (n = 135)	SJOV group (n = 137)	P
1 min after procedure	24 (17.8)	40 (29.2)	0.026
sore throat	3 (2.2)	6 (4.4)	0.320
subcutaneous emphysema	0 (0)	0 (0)	–
nasal bleeding	19 (14.1)	16 (11.7)	0.555
dry mouth	2 (1.5)	18 (13.1)	0.001
30 min after procedure	12 (8.9)	20 (14.6)	0.132
sore throat	12 (8.9)	18 (13.1)	0.246
subcutaneous emphysema	0 (0)	0 (0)	–
nasal bleeding	0 (0)	0 (0)	–
dry mouth	0 (0)	2 (1.5)	0.159
24 h after procedure	1 (0.7)	2 (1.5)	0.570
sore throat	1 (0.7)	2 (1.5)	0.570
dry mouth	0 (0)	0 (0)	–

Values are number (% of group total).

NCO group, nasal cannula supplement oxygen group; SJOV group, supraglottic jet oxygenation and ventilation group.