Table 3.
Association between preoperative parameters and arteriovenous fistula maturation (n=104)
| Preoperative parameters | AVF maturation | OR (95% CI) | P | |
|---|---|---|---|---|
|
| ||||
| Successful, n (%) | Unsuccessful, n (%) | |||
| Radial artery diameter (mm) | ||||
| <1.6 | 1 (1.5) | 7 (19.4) | 16.17 (1.9-37.4) | 0.001 |
| ≥1.6 | 67 (98.5) | 29 (80.6) | ||
| Cephalic vein diameter (mm) | ||||
| <2.0 | 32 (47.1) | 25 (69.4) | 2.55 (1.08-6.07) | 0.029 |
| ≥2.0 | 36 (52.9) | 11 (30.6) | ||
| Vein distensibility (mm) | ||||
| ≥0.5 | 63 (92.6) | 27 (75) | 8.12 (2.17-13.6) | 0.011 |
| <0.5 | 5 (7.3) | 9 (25) | ||
| Peak systolic velocity (cm/s) | ||||
| <30 | 30 (44.1) | 5 (13.9) | 2.3 (1.2-4.98) | 0.022 |
| ≥30 | 38 (55.9) | 31 (86.1) | ||
Chi-square test applied, Fisher’s exact test, P<0.05 is significant. OR=Odds ratio, CI=Confidence interval, AVF=Arteriovenous fistula