Table 4.
Cox regression for predictors of recurrence.
| Univariate Analysis | Multivariate Analysis * | |||
|---|---|---|---|---|
| HR (95% CI) | p-Value | HR (95% CI) | p-Value | |
| Age | 0.998 (0.978–1.109) | 0.868 | 0.993 (0.970–1.017) | 0.993 |
| Gender (Female) | 0.873 (0.495–1.542) | 0.641 | 0.900 (0501–1.617) | 0.725 |
| BMI | 1.099 (1.038–1.164) | 0.001 | 1.054 (0990–1.121) | 0.098 |
| Hypertension | 1.230 (0.815–1.855) | 0.324 | - | |
| LA diameter | 1.073 (1.039–1.108) | <0.001 | 1.082 (1.046–1.119) | <0.001 |
| Type of AF | - | |||
| Paroxysmal | Reference | |||
| Persistent | 1.942 (1.279–2.947) | 0.002 | ||
| Ablation method | ||||
| TTA | Reference | Reference | ||
| RFCA | 0.854 (0.511–1.430) | 0.273 | 1.333 (0.722–2.301) | 0.302 |
| CRYO | 1.289 (0.765–2.171) | 0.341 | 1.773 (1.029–3.055) | 0.039 |
* Age, sex, BMI, LA diameter, and ablation method were included in multivariable analysis. HR, hazard ratio; CI, confidence interval; BMI, body mass index; LA, left atrium; AF, atrial fibrillation; RFCA, radiofrequency catheter ablation; CBA, cryoballoon ablation; TTA, totally thoracoscopic ablation.