Table 3. Univariate analysis of AVF maturation predictors (n = 145).
| Variables | OR | 95% CI | p-value |
|---|---|---|---|
| Sex, male vs. female | 2.07 | 0.93–4.58 | 0.073 |
| Age, per year of increase | 1.02 | 0.99–1.05 | 0.236 |
| BMI, per unit of increase | 0.94 | 0.88–0.99 | 0.033 |
| Diabetes, yes vs. no | 1.04 | 0.47–2.28 | 0.927 |
| Smoking, past/present vs. never | 0.55 | 0.25–1.22 | 0.144 |
| Hematocrit, per unit of increase | 0.92 | 0.87–0.98 | 0.013 |
| Hemoglobin, per unit of increase | 1.00 | 0.97–1.04 | 0.827 |
| Platelets, per unit of increase | 1.00 | 0.99–1.00 | 0.288 |
| SBP, mmHg; per unit of increase | 1.02 | 1.00–1.03 | 0.091 |
| DBP, mmHg; per unit of increase | 1.02 | 0.97–1.06 | 0.441 |
| Anti-platelet drugs, yes vs. no | 0.76 | 0.31–1.85 | 0.551 |
| Median vein diameter, ≥ 3.6 mm vs. < 3.6 mm | 2.98 | 1.29–6.87 | 0.010 |
| Median artery diameter, ≥ 4.0 mm vs. < 4.0 mm | 3.46 | 1.47–8.15 | 0.004 |
| Arm circumference, per unit of increase | 0.88 | 0.81–0.95 | 0.001 |
| Previous CT on the same side of the AVF, yes vs. no | 0.56 | 0.05–6.36 | 0.639 |
| Site of AVF, proximal vs. distal | 4.04 | 1.77–9.20 | 0.001 |
| Skinfold thickness, per unit of increase | 0.49 | 0.32–0.73 | 0.001 |
AVF = arteriovenous fistula; CT = catheter; SBP = systolic blood pressure; DBP = diastolic blood pressure; BMI = body mass index.