Comparison of AuROCs for PNGAL and UNGAL for AKI prediction in AKI high-risk patients. (A) All patients (N=151), (B) AKI high-risk CKD group (N=16), (C) AKI high-risk non-CKD group (N=135).

Abbreviations: AKI, acute kidney injury; AuROC, area under the receiver operating characteristic curve for the prediction of AKI; CKD, chronic kidney disease; PNGAL, plasma neutrophil gelatinase-associated lipocalin; UNGAL, urine neutrophil gelatinase-associated lipocalin.