Table 3.
Characteristics of hemodialysis patients by prevalent cohort
| Variable | 2001 | 2002 | 2003 | 2004 | Excluded patients |
|---|---|---|---|---|---|
| No. of patients | 8239 | 10,585 | 10,384 | 11,084 | 15,780 |
| Age, years (median) | 66.0 | 67.0 | 67.0 | 67.0 | 64.0 |
| Male | 58.7 | 57.5 | 57.6 | 57.9 | 60.2 |
| Race | |||||
| white | 71.5 | 71.8 | 71.9 | 72.3 | 63.2 |
| indigenous | 5.8 | 5.7 | 5.9 | 6.1 | 3.6 |
| other | 22.7 | 22.5 | 22.2 | 21.7 | 33.2 |
| BMI, kg/m2 (median) | 25.5 | 25.6 | 25.9 | 26.0 | 25.5 |
| Late referral | |||||
| <3 months, % | 34.2 | 32.6 | 30.8 | 29.7 | 30.5 |
| Smoker, % | |||||
| current | 13.1 | 13.3 | 13.2 | 13.3 | 9.9 |
| Time on dialysis, % | |||||
| <24 months | 49.8 | 46.7 | 47.8 | 45.2 | 25.0 |
| 24-47 months | 21.1 | 22.1 | 23.8 | 25.9 | 26.7 |
| 48-72 months | 11.3 | 12.5 | 11.1 | 11.1 | 19.8 |
| >72 months | 17.4 | 18.5 | 17.1 | 17.5 | 27.6 |
| Cause of ESRD (%) | |||||
| glomerulonephrities | 15.8 | 15.3 | 14.6 | 14.4 | 19.8 |
| diabetes mellitus | 30.0 | 31.5 | 33.0 | 34.0 | 26.6 |
| hypertension | 12.6 | 12.2 | 12.8 | 12.2 | 10.2 |
| other | 40.8 | 40.1 | 38.5 | 37.6 | 40.3 |
| unknown | 0.9 | 0.9 | 1.1 | 1.7 | 3.4 |
| Comorbidities, % | |||||
| diabetes mellitus | 37.7 | 39.2 | 40.8 | 41.6 | 33.02 |
| coronary artery disease | 22.2 | 21.8 | 22.7 | 22.8 | 17.6 |
| peripheral vascular disease | 16.5 | 17.1 | 17.0 | 17.0 | 13.5 |
| cerebrovascular disease | 11.1 | 11.1 | 11.7 | 12.0 | 7.8 |
| hypertension | 76.1 | 77.2 | 78.7 | 79.5 | 70.0 |