Table 5.

Comparison of clinical outcomes and negative fluid balance between the 4 groups.

Parameter	Group A1	Group A2	P	Group B1	Group B2	P
ICU length of stay (d)	15.2 ± 4.9	11.8 ± 3.3	.012∗	11.7 ± 3.6	10.1 ± 3.1	.129∗
Duration of MV (h)	280.1 ± 94.7	211.8 ± 93.7	.007∗	146.8 ± 95.2	160.8 ± 116.9	.988∗
28-d surgery rate [n (%)]	60.0%	23.8%	.028†	25.0%	36.4%	.457†
28-d fatality rate [n (%)]	26.7%	23.8%	.854†	6.2%	9.1%	.748†
Negative fluid balance (d)‡	2.4 ± 0.8	3.1 ± 0.9	.04∗	1.8 ± 0.8	2.5 ± 0.9	.02∗
Gastric decompression (d)	17.33 ± 4.70	13.52 ± 2.00	.004∗	14.27 ± 3.61	12.82 ± 2.66	.166∗

ICU = intensive care unit, MV = mechanical ventilation.

^∗Mann–Whitney test.

^†Chi square test.

^‡Negative fluid balance days within 1 week after admission.