Table 2.
Factors associated with primary VA patency
| Univariate | Multivariate | |||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Increased age | 1.03 (1.02–1.04) | < 0.01 | 1.02 (1.01–1.03) | < 0.01 |
| Female sex | 1.04 (0.80–1.35) | 0.76 | NA | NA |
| BMI | 0.97 (0.94–1.01) | 0.15 | NA | NA |
| AVF | 0.32 (0.24–0.42) | < 0.01 | 0.38 (0.28–0.51) | < 0.01 |
| Hypertension | 0.99 (0.70–1.40) | 0.94 | NA | NA |
| DM | 1.41 (1.09–1.82) | < 0.01 | 1.17 (0.90–1.53) | 0.25 |
| Smoker | 0.99 (0.73–1.34) | 0.93 | NA | NA |
| CVD | 1.30 (0.95–1.78) | 0.10 | NA | NA |
| CVA | 1.17 (0.79–1.72) | 0.44 | NA | NA |
| PAOD | 1.00 (0.58–1.00) | 0.99 | NA | NA |
AVF Autologous arteriovenous fistula, BMI Body mass index, CI Confidence interval, CVA History of cerebrovascular accident, CVD Cardiovascular disease, DM Diabetes mellitus, HR Hazard ratio, NA Not applicable, PAOD Peripheral arterial occlusive disease, VA Vascular access