TABLE 3.

Multivariable model for 90-day mortality

Variable	sHR (95% CI)	p
Stage 1B (vs. stage 1A)	1.52 (1.20–1.92)	0.001
Age (per 1-year increase)	1.02 (1.02–1.03)	< 0.001
Ascites	1.42 (1.12–1.79)	0.003
HE	1.74 (1.41–2.15)	< 0.001
Hepatitis C cirrhosis	1.17 (0.86–1.60)	0.33
NASH cirrhosis	1.27 (0.99–1.63)	0.06
Diabetes	1.27 (1.03–1.58)	0.03
Hypertension	0.82 (0.66–1.03)	0.08
Preexisting chronic kidney disease	1.06 (0.83–1.36)	0.63
MAP at the time of AKI (per 1 mm Hg increase)	1.00 (0.99–1.00)	0.32
Albumin at the time of AKI (per 1 U increase)	0.66 (0.57–0.78)	< 0.001
Total bilirubin at the time of AKI (per 1 U increase)	1.05 (1.03–1.06)	< 0.001
International normalized ratio (per 1 U increase)	1.06 (1.01–1.11)	0.02
White blood cell count (per 1 U increase)	1.02 (1.00–1.03)	0.01
Any infection	1.06 (0.86–1.34)	0.59
ICU transfer during the index hospitalization	1.25 (0.98–1.58)	0.07
Mechanical ventilation during the index hospitalization	1.99 (1.52–2.60)	< 0.001
Vasopressor use during the index hospitalization	1.25 (0.83–1.35)	0.07

Abbreviations: AKI, acute kidney injury; ICU, intensive care unit; MAP, mean arterial pressure.