Multivariable logistic regression analysis showed that the risk factors for MAKE30 were hospital-acquired AKI, AKI stage, glomerulonephritis, respiratory failure, hypoalbuminemia (serum albumin < 30 g/L), hyperbilirubinemia (serum total bilirubin > 34.2 mmol/L), and hyperkalemia (serum potassium > 5.5 mmol/L) (Table 3). Here, ALB is linked to acute kidney injury.