Table 3.

Incidence of hypoxaemia and need for airway assistance

Characteristic	NCO group (n = 135)	SJOV group (n = 137)	P value
Hypoxaemia	50 (37.0)	18 (13.1)	0.001
Subclinical respiratory depression	32 (23.7)	15 (10.9)	0.005
Hypoxaemia	13 (9.6)	3 (2.2)	0.009
Severe hypoxaemia	5 (3.7)	0 (0)	0.023
Need for airway assistance	50 (37.0)	18 (13.1)	0.000
Stimulation	15 (11.1)	8 (5.8)	0.118
Increasing oxygen delivery	14 (10.4)		0.002
Increasing driving pressure		2 (1.5)
Jaw thrust	19 (14.1)	8 (5.8)	0.023
Mask ventilation	2 (1.5)	0 (0)	0.156

Values are number of patients (% of group total).

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