Table 7.

Correlation coefficients of hepcidin with preoperative eGFR^a

Baseline variables	Spearman's ρ	Preoperative eGFR
Urine hepcidin	Correlation coefficient	0.15
	Significance (two-sided)	0.15
	Number of patients	100
Urine hepcidin adjusted to urine creatinine	Correlation coefficient	0.07
	Significance (two-sided)	0.51
	Number of patients	100
Plasma hepcidin	Correlation coefficient	0.043
	Significance (two-sided)	0.67
	Number of patients	100
Urine/plasma hepcidin ratio	Correlation coefficient	0.16
	Significance (two-sided)	0.11
	Number of patients	100

^aeGFR, estimated glomerular filtration rate.