Table 2.

Spearman rank correlations of baseline characteristics with free p-cresol serum concentrations

Free p-cresol
rP
Age0.43<0.0001
Gender−0.040.4
BMI0.030.5
Diabetes0.22<0.0001
Previous CV history0.61<0.0001
Current smoking−0.090.06
Systolic blood pressure0.18<0.0001
Diastolic blood pressure−0.050.3
Pulse pressure0.21<0.0001
Serum creatinine0.68<0.0001
eGFR−0.70<0.0001
KDOQI stage0.67<0.0001
Cholesterol−0.140.002
LDL−0.100.02
Albumin−0.150.0008
Calcium−0.030.6
Phosphate0.45<0.0001
C-reactive protein0.090.06
Hemoglobin−0.37<0.0001
  • BMI, body mass index; CV history, cardiovascular disease history; eGFR, estimated glomerular filtration rate; KDOQI, Kidney Disease Outcomes Quality Initiative; LDL, low-density lipoprotein.