Table 1.
Baseline characteristics of the study sample
| 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) |
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)
BNP, brain natriuretic peptide
aIncludes all patients with diabetes