Table 3.
Cox proportional hazards regression analysis for major complications
| Variables | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | p value | HR | 95% CI | p value | |
| Proximal | Reference | |||||
| Distal | 0.748 | 0.380–1.472 | 0.401 | – | – | – |
| Minimum diameter of fistula | 1.063 | 0.895–1.263 | 0.484 | – | – | – |
| Maximum diameter of fistula | 0.984 | 0.812–1.193 | 0.871 | – | – | – |
| Right atrium | Reference | |||||
| Right ventricle | 0.782 | 0.358–1.707 | 0.537 | 1.693 | 0.632–4.539 | 0.295 |
| Left ventricle | 1.137 | 0.339–3.814 | 0.835 | 1.552 | 0.456–5.279 | 0.482 |
| Left atrium | 18.266 | 2.166–154.024 | 0.008 | 14.819 | 1.753–125.250 | 0.013 |
| Surgical closure | Reference | |||||
| Transcatheter closure | 2.474 | 1.182–5.178 | 0.016 | 3.272 | 1.281–8.357 | 0.013 |
HR hazard ratio, CI confidence interval