ALB and chronic kidney disease: In the univariable analysis, type of admission, comorbidities (chronic kidney disease and diabetes), GCS and SOFA scores, creatinine level, albumin, ALT, bilirubin, pH, FiO2, PaO2 in mmHg to FiO2 expressed as a fraction (PF) ratio and treatment in ICU (the need of mechanical ventilation, renal replacement therapy and ionotropic/vasopressor) were significantly associated with ICU mortality.