Table 4 Cox regression analysis for prediction of 12-month vascular access primary patency failure
Variable | Unadjusted model | Adjusted model | ||||
|---|---|---|---|---|---|---|
HR | 95% CI | P-value | HR | 95% CI | P-value | |
Male sex | 0.56 | (0.27–1.10) | 0.106 | 0.36 | (0.14–0.89) | 0.028 |
Age (≥ 65 years) | 1.10 | (0.55–2.30) | 0.753 | 1.61 | (0.63–4.08) | 0.320 |
Diabetes | 0.63 | (0.30–1.30) | 0.227 | 0.44 | (0.18–1.08) | 0.073 |
Thrombosis | 1.90 | (0.95–3.90) | 0.069 | 0.62 | (0.25–1.52) | 0.296 |
Recurrent lesion | 1.10 | (0.55–2.40) | 0.711 | 1.45 | (0.52–4.05) | 0.481 |
Other stenosis | 1.50 | (0.72–3.00) | 0.297 | 1.89 | (0.85–4.19) | 0.119 |
Arteriovenous graft | 2.70 | (1.30–5.50) | 0.006 | 3.55 | (0.89–14.16) | 0.072 |
Same diameter balloon | 2.10 | (0.65–7.10) | 0.209 | 1.90 | (0.53–6.82) | 0.326 |
Length 100 and 125 mm | 1.90 | (0.94–3.90) | 0.073 | 2.78 | (0.97–7.95) | 0.056 |
Diameter 8 and 9 mm | 0.83 | (0.38–1.84) | 0.651 | 0.83 | (0.29–2.34) | 0.719 |
Diameter 10 and 12 mm | 0.10 | (0.01–0.78) | 0.028 | 0.08 | (0.01–0.91) | 0.042 |
Diameter 14 and 16 mm | 0.35 | (0.12–1.01) | 0.053 | 0.10 | (0.01–0.89) | 0.039 |
Swing point | 0.66 | (0.17–2.50) | 0.544 | 1.71 | (0.36–8.03) | 0.498 |
Venous anastomosis | 1.81 | (0.71–4.60) | 0.214 | 1.01 | (0.18–5.49) | 0.995 |
Central vein | 0.62 | (0.22–1.80) | 0.372 | 3.56 | (0.60–21.12) | 0.162 |
Outflow | 0.27 | (0.06–1.30) | 0.106 | 0.20 | (0.03–1.23) | 0.082 |