Table 1 Baseline characteristics of the cohort
From: Comorbidity burden at dialysis initiation and mortality: A cohort study
Demographics | |
  Age (mean years ± SD) | 62.6 ± 15.1 |
  Male, n (%) | 479 (62.1) |
  Caucasian, n (%) | 702 (91.1) |
Cause of ESRD, n (%) | |
  Diabetes | 235 (30.5) |
  Other | 158 (20.5) |
  Ischemic/Hypertension | 138 (17.9) |
  Unknown | 94 (12.2) |
  Glomerulonephritis | 86 (11.2) |
  Polycystic kidney disease | 60 (7.8) |
aSelect Comorbidities, n (%) | |
  Diabetes with complications | 286 (37.1) |
  Myocardial infarction | 236 (30.6) |
  Congestive heart failure | 172 (22.3) |
  Peripheral vascular disease | 154 (20.0) |
  Chronic lung disease | 129 (16.7) |
  Cerebrovascular disease | 93 (12.1) |
  Diabetes without complications | 81 (10.5) |
  Neoplasia | 50 (6.5) |
  Peptic ulcer disease | 49 (6.4) |
Laboratory | |
  MDRD GFR [median mL/min/1.73 m2 (Q1-Q3)] | 8 (6–10) |
  Albumin (mean g/dL ± SD) | 3.14 ± 0.65 |
  Phosphate, n = 768 [median mg/dL (Q1-Q3)] | 5.9 (5.0-7.4) |
  Hemoglobin, n = 770 [median g/dL (Q1-Q3)] | 9.7 (8.6-10.9) |
Dialysis Access, n (%) | |
  Hemodialysis with central venous catheter | 410 (53.2) |
  Hemodialysis with arteriovenous fistula | 194 (25.2) |
  Peritoneal dialysis | 167 (21.7) |
End Stage Renal Disease Comorbidity Index, n (%) | |
  Index score of ≤1 | 253 (32.8) |
  Index score of 2 | 161 (20.9) |
  Index score of 3 | 62 (8.0) |
  Index score of 4 | 92 (11.9) |
  Index score of 5 | 59 (7.7) |
  Index score of ≥6 | 144 (18.7) |
Charlson Comorbidity Index, n (%) | |
  Index score of ≤1 | 0 (0) |
  Index score of 2 | 189 (24.6) |
  Index score of 3 | 100 (13.0) |
  Index score of 4 | 152 (19.7) |
  Index score of 5 | 120 (15.6) |
  Index score of ≥6 | 210 (27.2) |