Abstract G269 Table 1

Data are displayed as median (range)

	ETT	Face Mask	p
Tidal volume (ml/kg)	2.8 (0.2-9.9);	1.6 (0.2-13.3);	<0.01
Pre-FB	7.7 (4.2-15);	5.2 (3-13.6);	<0.01
FB	6.0 (1.9-15)	4.3 (1.5-18.3)	0.18
Post-FB
ECCO₂ levels (kpa)	0.36 (0-1.8);	0.2 (0-0.9);	0.016
Pre-FB	4.8 (0.53-11.5);	3.2 (0.4-6.9);	0.026
FB	3.4 (0.4-9.3)	2.8 (0.45-5.6)	0.49
Post-FB