Research Article

Value of Urinary Neutrophil Gelatinase-Associated Lipocalin versus Conventional Biomarkers in Predicting Response to Treatment of Active Lupus Nephritis

Table 5

Cutoff levels for baseline UNGAL and conventional biomarkers in predicting renal response to induction.

VariableAUCCutoff pointSensitivitySpecificityPPVNPV

Creatinine0.8531.9 mg/dL76.9292.5983.389.3
eGFR0.80636 mL/min/1.73 m284.6277.7864.791.3
Pr/Cr ratio0.8023 mg/mg76.9277.7862.587.5
UNGAL0.94326.5 ng/mL92.3188.8980.096.0

eGFR, estimated glomerular filtration rate; Pr/Cr ratio, protein-to-creatinine ratio; UNGAL, urinary neutrophil gelatinase-associated lipocalin.