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Table 1 Baseline characteristics of the study sample

From: Cross-sectional examination of metabolites and metabolic phenotypes in uremia

Variable Total n = 200
Age, years 69.5 ± 13.6
Male 53 % (106)
Race  
 White 69 % (138)
 Black 24 % (48)
 Other 7 % (14)
Coexisting conditions  
 Coronary artery disease 18 % (36)
 Lipid disorders 12 % (23)
 Congestive heart failure 18 % (35)
Cause of end-stage renal disease  
 Diabetesa 49 % (97)
 Hypertensive renal disease 38 % (75)
 Glomerulonephropathy 4 % (7)
Vascular access  
 Fistula 24 % (47)
 Graft 13 % (25)
 Catheter 59 % (118)
Body Mass Index (kg/m2) 26.5 ± 7.6
Systolic blood pressure (mmHg) 144.4 ± 27.3
Diastolic blood pressure (mmHg) 72.5 ± 18.6
Urea reduction ratio 68.6 ± 10.3
Laboratory data  
N-terminal pro-BNP (ng/L) 8029 (3,757 – 21,404)
Troponin T (μg/L) 0.14 (0.04 – 0.13)
Total cholesterol (mg/dL) 162 (127 – 188)
LDL (mg/dL) 83 (63 – 103)
HDL (mg/dL) 41 (32 – 47)
Triglycerides (mg/dL) 157 (93 – 199)
Creatinine (mg/dL) 5.7 (4.0 – 7.0)
White blood cell (109/L) 8.3 (6.2 – 9.8)
Hemoglobin (g/dL) 10.4 (9.5 – 11.2)
Albumin (g/dL) 3.5 (3.2 – 3.8)
Ferritin (ng/mL) 285.7 (81.5 – 346.0)
Transferrin saturation (%) 20.2 (13.0 – 24.0)
Phosphorus (mg/dL) 4.5 (3.4 – 5.4)
Parathyroid hormone (pg/mL) 268.6 (124.0 – 235.0)
  1. Categorical data are percentages (counts). Counts may not equal total n due to missing data. Clinical measures are means ± SD. Laboratory values are median (quartile 1 – quartile 3)
  2. BNP, brain natriuretic peptide
  3. aIncludes all patients with diabetes