Table 4.

Relationship of AKI with length of stay, ventilation time and mortality. (n = 123)

Variables	No AKI	Stage
		1	2	3
Hospital length of day (d)	12 (9,17.5)	12 (10,15.5)	18.5 (13.25,24) *	26 (21,30) *
Intensive care unit stay (d)#	4 (3, 6)	5 (3.75, 6)	6 (4.5, 16) *	20 (9, 27) *
Mechanical ventilation time(h)#	48 (33, 90.5)	67(46, 91)	96 (66, 253) *	418 (93, 543) *
90-d mortality (n)	0(0.0%)	1(2.7%)	0(0.0%)	1(14.3%)*

^*P less than 0.05 compared with patients with non-AKI

^# P less than 0.05 compared patients with AKI and patients with non-AKI