Variable | Unadjusted hazard ratio | Adjusted hazard ratio | ||||
---|---|---|---|---|---|---|
HR | 95% CI | P value | HR | 95% CI | P value | |
Age | ||||||
 < 60 | 1.000 | Reference | – | 1.000 | Reference | – |
 60–69 | 0.889 | 0.735–1.076 | 0.227 | 0.846 | 0.697–1.026 | 0.089 |
 > 70 | 0.939 | 0.731–1.206 | 0.621 | 0.854 | 0.661–1.105 | 0.230 |
Female (vs. male) | 0.940 | 0.769–1.147 | 0.541 | 1.095 | 0.865–1.310 | 0.555 |
Valvular heart disease1 | 2.459 | 1.780–3.396 |  < 0.001 | 1.602 | 1.139–2.253 | 0.007 |
LV EF (by 1%) | 0.985 | 0.976–0.995 | 0.002 | 0.999 | 0.989–1.009 | 0.794 |
LAD (by 1 mm) | 1.055 | 1.042–1.069 |  < 0.001 | 1.039 | 1.024–1.053 |  < 0.001 |
Ablation indication | ||||||
 Paroxysmal AF | 1.000 | Reference | – | 1.000 | Reference |  |
 Persistent AF | 1.921 | 1.589–2.324 |  < 0.001 | 1.426 | 1.152–1.764 | 0.001 |
 Redo ablation | 1.321 | 0.972–1.794 | 0.075 | 1.220 | 0.890–1.600 | 0.216 |
PVI only (vs. additional NPV ablation)2 | 1.274 | 1.064–1.526 | 0.009 | 1.337 | 1.104–1.619 | 0.003 |
Mode of AF termination | ||||||
 Initial SR3 | 1.000 | Reference | – | 1.000 | Reference |  |
 By PVI | 1.106 | 0.817–1.496 | 0.515 | 0.973 | 0.716–1.324 | 0.863 |
 By NPV ablation | 1.829 | 1.363–2.453 |  < 0.001 | 1.581 | 1.157–2.160 | 0.004 |
 By DCC4 | 1.768 | 1.411–2.215 |  < 0.001 | 1.243 | 0.966–1.600 | 0.090 |
 Not terminated | 2.822 | 2.166–3.678 |  < 0.001 | 1.940 | 1.459–2.579 |  < 0.001 |
AF induction test5 | ||||||
 No induction | 1.000 | Reference | – | 1.000 | Reference |  |
 AF/AT | 0.920 | 0.727–1.165 | 0.489 | 0.954 | 0.751–1.213 | 0.702 |
 Not done | 1.221 | 1.003–1.486 | 0.046 | 1.106 | 0.898–1.362 | 0.342 |