Table 4 Spearman’s correlation coefficient between clinical variables and plasma concentrations of neurological biomarkers in all study subjects (CKD + controls)

Age, years

0.180*

−0.132

0.433***

BMI, kg/m²

0.069

0.098

−0.102

B-Hemoglobin, g/L

−0.390***

−0.442***

−0.260**

mGFR, ml/min/1.73 m²

−0.846***

−0.735***

−0.449***

eGFR_creatinine, ml/min/1.73 m²

−0.822***

−0.730***

−0.402***

U-ACR, mg/mmol

0.588***

0.587***

0.186*

Carotid-femoral PWV, m/s

0.323***

0.147

0.376***

S-TnT, ng/L

0.640***

0.539***

0.378***

P-NfL, ng/L

–

0.714***

0.605***

P-p-Tau231, ng/L

0.714***

–

0.336***