Table 4.

Cox Proportional Hazards Regression Model for Variables Associated With 60-Day Mortality

Variable	OR (95% CI)	P Value
AKIN (vs 0)a
1	1.31 (1.15–1.47)	< .001
2	1.28 (1.10–1.48)	.001
3	1.85 (1.48–2.32)	< .001
Male sex	0.89 (0.81–0.98)	.02
SAPS I, per point	1.13 (1.12–1.14)	< .001
Elixhauser score, per point	1.08 (1.08–1.09)	< .001
RRT	1.87 (1.37–2.54)	< .001

See Table 1, Table 2 legends for expansion of abbreviations.

^aAKIN level calculated from highest creatinine level during ICU admission.