Table 3.
Odds ratios for unassisted AVF maturation versus assisted maturation and nonmaturation: univariable analysis
| Variable | Odds Ratio | 95% CI | P Value |
|---|---|---|---|
| Age (per 10 yr) | 0.87 | 0.72 to 1.05 | 0.16 |
| Sex, female versus male | 0.63 | 0.37 to 1.05 | 0.08 |
| Race, nonblack versus black | 0.67 | 0.34 to 1.28 | 0.23 |
| Hypertension | 0.68 | 0.21 to 2.22 | 0.52 |
| Diabetes mellitus | 1.04 | 0.63 to 1.72 | 0.87 |
| Coronary artery disease | 0.85 | 0.49 to 1.49 | 0.58 |
| Peripheral vascular disease | 1.18 | 0.59 to 2.32 | 0.64 |
| Cerebrovascular disease | 0.74 | 0.39 to 1.37 | 0.33 |
| Heart failure | 1.18 | 0.69 to 2.00 | 0.56 |
| Obesity, BMI≥30 kg/m2 | 1.20 | 0.74 to 2.00 | 0.45 |
| AVF location, forearm versus upper arm | 0.34 | 0.20 to 0.59 | <0.001 |
| Postoperative ultrasound | |||
| Draining vein diameter, per 1 mm | 1.30 | 1.15 to 1.49 | <0.001 |
| Blood flow, ml/min per 100 ml/min | 1.33 | 1.22 to 1.45 | <0.001 |
| Depth, per 1 mm | 0.83 | 0.59 to 0.91 | 0.003 |
| Stenosis | 0.29 | 0.17 to 0.49 | <0.001 |
AVF, arteriovenous fistula; 95% CI, 95% confidence interval; BMI, body mass index.