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Table 1 Baseline characteristics

From: Fibroblast growth factor 23 is associated with proteinuria and smoking in chronic kidney disease: An analysis of the MASTERPLAN cohort

Variable N(%) = 604(100%)
Gender (male) 417(69%)
Age (yrs) 60.2(± 12.5)
BMI (kg/m 2 ) 26.5(24.3-29.4)
Race (Caucasian) 560(92.7)
Cause of CKD  
   Diabetic nephropathy 65(10.8%)
   Renovascular 188(31.1%)
   Glomerular disease 109(18%)
   Interstitial disease 57(9.4%)
   Congenital (incl PKD) 62(10.3%)
   Unknown 123(20.4%)
History of CVD 178(29.5%)
Diabetes Mellitus 144(23.8%)
Hypertension 433(71.7%)
Smoking 145(24%)
Systolic BP (mmHg) 136(± 21)
Diastolic BP (mmHg) 78(± 11)
Creatinine (μmol/l) 184(± 71)
eGFR (MDRD, ml/min/1.73 m 2 ) 36.8(± 13.9)
Total cholesterol (mmol/l) 4.8(± 1.0)
Proteinuria (g/24 hours) 0.3(0.1-0.9)
Phosphate (mmol/l) 1.12(± 0.26)
Calcium (mmol/l) 2.38(± 0.14)
PTH (pmol/l) 8.3(5.6-14.4)
cFGF23 (RU/ml) 116(67-203)
Medication  
   Active vitamin D (any) 135(22.4)
   Phosphate binders (any) 56(9.3)
  1. Values are given as N (%), mean and standard deviations (± SD) for normally distributed data and medians and interquartile ranges (25%-75%) for skewed data.
  2. CKD: chronic kidney disease; PKD: polycystic kidney disease; CVD: cardiovascular disease; BP: blood pressure; eGFR: estimated glomerular filtration rate; MDRD: four-point MDRD formula.