Table 1.
Baseline characteristics
| Characteristic | AVF (n=479) |
|---|---|
| Age (yr) | 65.3 (54.3–73.7) |
| Sex, female | 174 (36.3) |
| Race, white | 440 (91.9) |
| Primary kidney disease | |
| Diabetes mellitus | 73 (15.2) |
| GN | 54 (11.3) |
| Renal vascular disease | 99 (20.7) |
| Others | 253 (52.8) |
| Interstitial nephropathy | 48 (10.0) |
| Cystic kidney disease | 63 (13.2) |
| Congenital and hereditary kidney disease | 5 (1.0) |
| Multisystem disease | 28 (5.8) |
| Other | 18 (3.8) |
| Unknown | 91 (19.0) |
Data are presented as n (%) or median (interquartile range). AVF, arteriovenous fistula.