Table 3.
Univariate and Multivariate Analyses of AF Recurrence After a Single Ablation
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| P value | HR | 95% CI | P value | |
| Age, y | 0.931 | |||
| Female, n (%) | 0.517 | |||
| BMI, kg/m2 | 0.434 | |||
| Alcohol consumption, n (%) | 0.021 | 3.77 | 1.23–11.5 | 0.020 |
| AF type, n (%) | 0.572 | |||
| Duration of AF history, y | 0.151 | |||
| Hypertension, n (%) | 0.173 | |||
| Diabetes, n (%) | 0.660 | |||
| Heart failure, n (%) | 0.129 | |||
| Chronic kidney disease, n (%) | 0.910 | |||
| LV ejection fraction, % | 0.590 | |||
| LA diameter, mm | 0.469 | |||
| Antiarrhythmic drugs, nos. | 0.118 | |||
| Non‐PV AF foci, n (%) | 0.220 | |||
| Low‐voltage zone, n (%) | 0.026 | 2.73 | 1.09–6.86 | 0.032 |
| Slow‐conduction zone, n (%) | 0.024 | 3.58 | 1.22–10.5 | 0.020 |
P values, HRs, and 95% CIs were determined by a multivariate Cox proportional analysis. AF indicates atrial fibrillation; BMI, body mass index; HR, hazard ratio; LA, left atrial; LV, left ventricular; and PV, pulmonary vein.