Fig. 3

Stratified analysis of FIB-4 value after and in-hospital mortality, 28-day mortality and 90-day mortality based on model IV. Model IV was adjusted for weight, SAPSII score, some ICU interventions in first 24 h (Mechanical ventilation, Vasopressor,Renal replacement therapy),some Co-morbidities(AFIB, Chronic renal disease, COPD, CAD, Stroke, malignancy, sepsis, ARDS) and AKI stages a (None of the stratified variables) RRT: Renal replacement therapy, ARDS: acute respiratory distress syndrome, KDIGO: Kidney Disease: Improving Global Outcomes, UO: Urine output, Scr: creatinine