| Characteristic | No. (%)* | |
|---|---|---|
| Age, yr, mean ± SD | 66.3 ± 14.7 | |
| Sex, female | 3896 | (39.7) |
| Dialysis type† | ||
| Hemodialysis | 7958 | (81.0) |
| Peritoneal dialysis | 1864 | (19.0) |
| Duration of dialysis | ||
| New | 6567 | (66.9) |
| Long-term | 3255 | (33.1) |
| Admissions to hospital in previous year | ||
| 0 | 4595 | (46.7) |
| 1 | 2671 | (27.2) |
| ≥ 2 | 2556 | (26.0) |
| Comorbidities | ||
| Diabetes | 4431 | (45.1) |
| Cardiovascular disease | 4055 | (41.3) |
| Congestive heart failure | 2480 | (25.2) |
| Peripheral vascular disease | 2378 | (24.2) |
| Chronic pulmonary disease | 1639 | (16.7) |
| Malignant disease | 1265 | (12.9) |
| Cerebrovascular disease | 697 | (7.1) |
Note: SD = standard deviation. *Except where noted. †Assigned at cohort entry and not updated over time.