Diagnostic Utility of Serum Neutrophil Gelatinase-Associated Lipocalin in Polytraumatized Patients Suffering Acute Kidney Injury: A Prospective Study

Table 3

Correlations between biomarker levels, age, and ISS.

	sNGAL initial	sNGAL Day 2	BUN initial	sCr initial	sCr Day 1	sCr Day 2	sCr Day 3	sCr Day 4	sCr Day 5	Age	ISS
sNGAL initial
Spearman ρ		0.335	0.063	0.249	0.262	0.096	0.092	0.201	0.226	0.101	-0.043
p-value		0.035	0.698	0.122	0.102	0.555	0.574	0.214	0.160	0.543	0.791
sNGAL Day 2
Spearman ρ	0.335		0.124	0.382	0.458	0.414	0.352	0.332	0.300	0.240	0.078
p-value	0.035		0.447	0.015	0.003	0.008	0.026	0.036	0.060	0.136	0.633

Significant correlations are highlighted in bold letters.