Table 3. Outcomes associated with severe AKI ( n  = 99) .

Variable	All Median (IQR) or number (%) n  = 99	No/mild AKI Median (IQR) or number (%) n  = 64	Severe AKI Median (IQR) or number (%) ( n  = 35)	p- Value (univariate)	OR/IRR	95% CI	p- Value (multivariable)
Posttransplant hospital days	20 (14, 40)	17 (13, 29)	31 (19, 62)	<0.001	2.39	2.23–2.58	<0.001
Days on ventilator	2 (1, 4)	2 (1, 3)	4 (2, 16)	<0.001	2.99	2.45–3.65	<0.001
Days in ICU	7 (6, 17)	7 (5, 11)	13 (6, 28)	0.005	1.58	1.41–1.76	<0.001

Abbreviations: AKI, acute kidney injury; CI, confidence interval; ICU, intensive care unit; IQR, interquartile range; IRR, incidence rate ratio; OR, odds ratio.