Table 1.

Respiratory mechanics and EIT data obtained during the decremental PEEP trial

	PEEP
	12 cm H2O	10 cm H2O	8 cm H2O	6 cm H2O
Respiratory mechanics
∆Pes (cmH2O)
Patient 1	2.7	2.1	1.4	5.5
Patient 2	4.4	4.9	4.5	3.5
Patient 3	3.2	3.2	3.2	3.1
Dynamic ∆PL (cmH2O)
Patient 1	10.7	10.3	9.6	13.6
Patient 2	10.9	11.4	11.0	9.9
Patient 3	5.8	5.6	5.5	5.6
Dynamic lung compliance (ml/cmH2O)
Patient 1	30	31	34	23
Patient 2	32	35	34	34
Patient 3	59	64	65	59
EIT data
Overdistension experimental method (%)
Patient 1	18	10	3	0
Patient 2	8	5	3	0
Patient 3	12	5	0	0
Collapse experimental method (%)
Patient 1	0	1	2	28
Patient 2	0	0	0	1
Patient 3	0	0	1	10
Crossover PEEP experimental method
Patient 1			8
Patient 2				6
Patient 3			8

EIT electrical impedance tomography, PEEP positive end-expiratory pressure, ∆Pes = change in esophageal pressure, ∆P_L = dynamic transpulmonary driving pressure