In the final multivariable model, only PC and urine NGAL were independent predictors of AKI (Hazard ratio (HR) 0.98 95%CI 0.96–1.00, p = 0.04 and HR 2.36 95%CI 1.12–4.95, p = 0.02, respectively). Here, LCN2 is linked to acute kidney injury.