CLIF-AKI score predicts KDIGO stage 3 acute kidney injury in intensive care unit patients with acute-on-chronic liver failure

Table 3 Chronic liver failure organ failure-acute kidney injury risk score and risk stratification

Variables	Points	Variables	Points
WBC, × 109/L		BUN, mg/dL
≤ 5	0	≤ 15	0
5-10	15	16-25	5
11-15	25	26-40	10
> 15	30	> 40	15
Albumin, g/dL		BMI, kg/m2
≥ 3.5	0	≤ 23.9	0
3.0-3.4	10	24.0-27.9	10
2.5-2.9	15	28.0-34.9	20
< 2.5	20	≥ 35.0	30
MAP in mmHg		Mechanical ventilation
> 65	0	Yes	35
56-65	10	No	0
≤ 55	20
MELD score		Vasopressor use
≤ 15	0	Yes	30
16-25	15	No	0
26-35	35
> 35	60
Risk stratification, CLIF-AKI score	Risk category
> 140	Very high risk
111-140	High risk
81-110	Moderate risk
≤ 80	Low risk

WBC: White blood cell; MAP: Mean arterial pressure; MELD: Model for end-stage liver disease; CLIF-AKI: Chronic liver failure organ failure-acute kidney injury; BMI: Body mass index; BUN: Blood urea nitrogen.