Table 3.

Spearman's correlation between urinary biomarkers and estimates of glomerular filtration rate

	Serum Cr	eGFRCr	Serum Cystatin C	eGFRCysC
NGAL	ρ=0.17	ρ=−0.22	ρ=0.28	ρ=−0.28
	p=0.122	p=0.048	p=0.012	p=0.012
NGAL/Cr	ρ=0.27	ρ=−0.28	ρ=0.26	ρ=−0.26
	p=0.015	p=0.009	p=0.023	p=0.022
KIM-1	ρ=−0.03	ρ=−0.01	ρ=0.07	ρ=−0.08
	p=0.790	p=0.925	p=0.523	p=0.467
KIM-1/Cr	ρ=−0.21	ρ=0.19	ρ=−0.15	ρ=0.14
	p=0.055	p=0.078	p=0.190	p=0.207
IL-18	ρ=−0.26	ρ=0.23	ρ=−0.15	ρ=0.15
	p=0.020	p=0.040	p=0.198	p=0.192
IL-18/Cr	ρ=−0.19	ρ=0.14	ρ=−0.01	ρ=0.01
	p=0.080	p=0.224	p=0.925	p=0.909

Cr, serum creatinine; IL-18, interleukin-18; KIM-1, kidney injury molecule-1; NGAL, neutrophil gelatinase-associated lipocalin