Table 2.

Spearman correlation coefficients between kidney function, proteinuria, and plasma biomarkers

	sTNFR-1	sTNFR-2	YKL-40	MCP-1	suPAR
eGFR	–0.70 (<0.001)	–0.62 (<0.001)	–0.51 (<0.001)	–0.10 (0.02)	–0.46 (<0.001)
Proteinuria	0.28 (<0.001)	0.29 (<0.001)	0.22 (<0.001)	0.11 (0.01)	0.07 (0.10)
sTNFR-1	1	0.86 (<0.001)	0.58 (<0.001)	0.19 (<0.001)	0.45 (<0.001)
sTNFR-2	0.86 (<0.001)	1	0.54 (<0.001)	0.24 (<0.001)	0.41 (<0.001)
YKL-40	0.58 (<0.001)	0.54 (<0.001)	1	0.15 (0.001)	0.24 (<0.001)
MCP-1	0.19 (<0.001)	0.24 (<0.001)	0.15 (0.001)	1	0.13 (0.005)
suPAR	0.45 (<0.001)	0.41 (<0.001)	0.24 (<0.001)	0.13 (0.005)	1

eGFR, estimated glomerular filtration rate; MCP, monocyte chemoattractant protein; sTNFR, soluble tumor necrosis factor receptor, suPAR, soluble urokinase plasminogen activator receptor.

P values are in parentheses.