Table 3.
Regression analysis of predictors of arrhythmia freedom: AS-TREATED
| Parameter | Univariate HR (95% CI) | P value | Multivariate HR (95% CI) | P value |
|---|---|---|---|---|
| Male sex | 0.702 (0.462–1.065) | 0.096 | ||
| Age | 1.012 (0.991–1.033) | 0.255 | ||
| BMI | 1.017 (0.970–1.065) | 0.483 | 0.989 (0.943–1.037) | 0.648 |
| Persistent AF | 2.002 (1.352–2.965) | < 0.001 | 2.067 (1.398–3.078) | < 0.001 |
| Duration of AF (month) (n = 338) | 1.001 (0.998–1.004) | 0.664 | ||
| PLAX (mm) | 1.030 (0.999–1.061) | 0.056 | ||
| LVEF (%) | 0.979 (0.959–1.000) | 0.048 | ||
| LAVI (ml/m2) | 1.020 (1.003–1.038) | 0.022 | ||
| Comorbidities | ||||
| CAD | 0.753 (0.239–2.376) | 0.628 | ||
| Smoking | ||||
| Past (reference) | ||||
| Yes | 1.264 (0.874–1.828) | 0.213 | ||
| No | 0.975 (0.742–1.281) | 0.853 | ||
| HT | 1.824 (1.179–2.828) | 0.007 | 1.905 (1.218–2.980) | 0.005 |
| Diabetes | 0.787 (0.446–1.389) | 0.408 | ||
| Renal insufficiency | 0.854 (0.468–1.558) | 0.607 | ||
| CHADSVASC | 1.206 (1.054–1.386) | 0.009 | ||
| 0 | ||||
| 1 | ||||
| 2 | ||||
| 3 | ||||
| 4 | ||||
| ≥ 5 | ||||
| Procedural | ||||
| Procedure duration (min) | 1.003 (0.999–1.008) | 0.158 | ||
| Fluoroscopy duration (min) | 1.000 (0.974–1.027) | 0.991 | ||
| RF-PVI at index | 0.850 (0.546–1.322) | 0.470 | ||
| SVCI | 1.300 (0.836–2.022) | 0.244 | ||
| Number reconnected veins | 0.937 (0.779–1.128) | 0.937 | ||
| PV RF duration | 1.000 (1.000–1.000) | 0.795 | ||
| SVC duration | 1.001 (1.000–1.002) | 0.079 |
BMI, body mass index; CAD, coronary artery disease; HT, hypertension; PLAX, parasternal long-axis (n = 283); LVEF, left ventricular ejection fraction (n = 332); LAVI, left atrial volume indexed (n = 248)