Table 1.
Clinical characteristics of patients with fistulas, arm grafts, and thigh grafts
| Characteristic | Fistulas | Arm Grafts | Thigh Grafts | P |
|---|---|---|---|---|
| n (%) | 49 (18.3) | 116 (43.3) | 103 (38.4) | |
| Patient age at placement (years; mean ± SE) | 48.4 ± 1.9 | 47.6 ± 1.3 | 48.9 ± 1.4 | 0.80 |
| Time on dialysis (years; mean ± SE) | 1.2 ± 0.4 | 2.1 ± 0.3 | 4.1 ± 0.3 | <0.01 |
| Race (n [%]) | ||||
| black | 43 (17) | 112 (45) | 93 (38) | 0.07 |
| white | 6 (30) | 4 (20) | 10 (50) | |
| Gender (n [%]) | ||||
| female | 21 (13) | 72 (43) | 73 (44) | <0.01 |
| male | 28 (28) | 44 (43) | 30 (29) | |
| Diabetes (n [%]) | ||||
| yes | 17 (15) | 55 (48) | 42 (39) | 0.23 |
| no | 32 (21) | 61 (40) | 61 (40) | |
| Primary failure (including fistula nonmaturation) | 30 (61) | 15 (13) | 3 (3) | <0.01 |