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

Table 2

Correlation of baseline UNGAL with demographic, clinical, and laboratory data of patients.

Variable	UNGAL
	r	value
Age	0.116	0.477
Duration of SLE	0.02	0.91
Systolic blood pressure	0.42	0.01
Diastolic blood pressure	0.43	0.01
SLEDAI score	0.40	0.01
rSLEDAI score	0.30	0.06
Activity index in biopsy	0.12	0.45
Chronicity index in biopsy	0.49	0.001
Serum albumin	0.23	0.15
Hemoglobin	−0.25	0.12
Baseline complement 3	−0.42	0.01
Baseline complement 4	−0.17	0.30
BUN	0.57	<0.001
Creatinine	0.72	<0.001
eGFR	−0.57	<0.001
Pr/Cr ratio	−0.29	0.07

Pearson’s correlation: significant at 0.05. SLE, systemic lupus erythematosus; SLEDAI, SLE disease activity index; rSLEDAI, renal SLE disease activity index; eGFR, estimated glomerular filtration rate; BUN, blood urea nitrogen; Pr/Cr ratio, protein-to-creatinine ratio; UNGAL, urinary neutrophil gelatinase-associated lipocalin.