Table 3.

Comparison of ventilatory parameters in before and 24 h after ECMO by ARDS

	ARDS 68 (34.4%)			No ARDS124 (64.6%)
	Before ECMO	After ECMO	P value	Before ECMO	After ECMO	P value
Plateau pressure (cm H2O)	32 ± 7	26 ± 7	< 0.001	24 ± 7	21 ± 7	0.005
PEEP (cm H2O)	15 ± 4	8 ± 2	< 0.001	8 ± 4	6 ± 2	< 0.001
Driving pressure (cm H2O)	18 ± 8	19 ± 7	0.522	15 ± 6	15 ± 6	0.574
Compliance (ml/cm H2O)	26 ± 10	23 ± 11	0.225	34 ± 17	29 ± 12	0.011
PaO2/FiO2 ratio	64 ± 20	139 ± 75	< 0.001	171 ± 168	254 ± 163	< 0.001
Murray score	3 ± 0.5	2.8 ± 0.5	0.018	1.7 ± 0.9	2.1 ± 0.5	< 0.001

Data are presented mean ± std

PEEP positive end expiratory pressure