Table 1.

Fluid balance and intra-abdominal pressure.

ICU day	IAP (mmHg)	Urine output (ml/hour)	Chest drain (ml/hour)	Abdominal drain (ml/24 hours)	Peak pressure (cm H2O)	Fluid balance (ml)
1	14-16	60	—	—	—
2	22-25	10-20	2000	570	32-36	1520
3	16-18	50-100	210	355	24	3100
4	16	50-70	170	215	22	1200
5	16	50-70	190	200	24	1745