Table 3.
Univariate and multivariate cox regression analyses of AT recurrence.
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Age | 0.98 (0.92–1.04) | 0.471 | 0.99 (0.93–1.05) | 0.710 |
| LA diameter (mm) | 0.90 (0.80–1.00) | 0.040 | 0.92 (0.82–1.03) | 0.127 |
| BMI (kg/m2) | 1.02 (0.85–1.22) | 0.859 | ||
| Hypertension | 0.19 (0.04–0.88) | 0.034 | ||
| Empirical MVEI | 0.19 (0.05–0.64) | 0.008 | 0.25 (0.07–092) | 0.037 |
| Ethanol volume (ml) | 0.88 (0.74–1.04) | 0.140 | ||
| Intraprocedural AT | 3.59 (1.09–11.82) | 0.036 | ||
| MI-dependent AT | 3.86 (1.12–13.28) | 0.032 | ||
| Roof line ablation | 2.43 (0.31–19.06) | 0.397 | 1.96 (0.24–15.84) | 0.527 |
| BOX isolation | 0.50 (0.06–3.94) | 0.510 | 0.61 (0.08–5.00) | 0.645 |
| CTI line ablation | 1.42 (0.37–5.52) | 0.610 | 1.13 (0.28–4.66) | 0.862 |
| SVC isolation | 0.67 (0.09–5.26) | 0.705 | ||
| MI epicardial ablation | 0.62 (0.08–4.85) | 0.649 | ||
| Ablation to SR | 5.90 (1.56–22.29) | 0.009 | ||
| Procedure time (min) | 1.00 (0.99–1.02) | 0.646 | ||
| Ablation time (min) | 1.00 (1.00–1.00) | 0.663 | ||