Table 5.
Multivariate Cox regression analysis for predictor of arrhythmia recurrence after ablation
| Multivariate Cox regression models | ||||
|---|---|---|---|---|
| HR | 95% Cl | P value | ||
| Model 1: + BMI, type of AF | ||||
| PACS1-day (per unit increase) | 1.11 | 1.05–1.18 | 0.0003 | |
| Model 2: + BMI, type of AF | ||||
| PACS1-day ≥ -12% | 2.53 | 1.54–4.16 | 0.0003 | |
| Model 3A: + BMI, type of AF | ||||
| PACS1-day quartiles all effect | 4.23 | 2.08–8.75 | < 0.0001 | |
| Model 3B: + BMI, type of AF | ||||
| PACS1-day Q1(reference) | 1 | |||
| Q2 | 0.96 | 0.46–2.01 | 0.92 | |
| Q3 | 1.85 | 0.93–3.68 | 0.08 | |
| Q4 | 3.82 | 1.90–7.68 | 0.0002 | |
| Model 3C: + BMI, type of AF | ||||
| PACS1-day Q4 (reference) | 1 | |||
| Q3 | 0.48 | 0.26–0.92 | 0.03 | |
| Q2 | 0.25 | 0.12–0.51 | 0.0001 | |
| Q1 | 0.26 | 0.13–0.53 | 0.0001 | |
BMI body mass index, CI confidence interval, HR hazards ration, LA left atrium, PACS peak atrial contraction strain