Table 1 -.

Intra-abdominal and plateau pressures for each phase of the protocol

	INTRA-ABDOMINAL PRESSURE (cmH2O)				PLATEAU PRESSURE (cmH2O)
PEEP	0	0	10	10	0	0	10	10
WEIGHT	0	5	0	5	0	5	0	5
PHASE	I	II	III	IV	I	II	III	IV
MEAN	8.70	14.33	12.25	16.83	18.27	20.00	26.57	27.20
SD	4.48	4.90	9.62	9.51	6.12	6.57	6.45	6.04