Fig. 3.
Receiver operating curve analysis of the peak neutrophil-lymphocyte ratio (NLR), peak delta(Δ)-NLR, and nadir platelet-lymphocyte ratio (PLR) values for the first four postoperative days regarding the occurrence of postoperative acute kidney injury during hospital stay. AUC=area under the curve; CI=confidence interval; Sens.=sensitivity; Spec.=specificity