TABLE 2.
Multivariate Cox regression of atrial fibrillation (AF) recurrence risk between 3 and 12 months after radiofrequency catheter ablation (RFCA) for patients with paroxysmal atrial fibrillation (PAF).
| Variables | aHR | Lower 95% | Upper 95% | P |
| Age | 1.06 | 1.03 | 1.08 | <0.001 |
| CAD | 1.75 | 1.13 | 2.72 | 0.013 |
| Hypertension | ||||
| Grade 1 | 2.48 | 1.33 | 4.63 | 0.004 |
| Grade 2 | 3.34 | 1.86 | 6.00 | <0.001 |
| Grade 3 | 4.19 | 2.49 | 7.06 | <0.001 |
| HF | ||||
| HFrEF | 9.91 | 4.23 | 23.26 | <0.001 |
| HFmrEF | 6.90 | 3.04 | 15.67 | <0.001 |
| HFpEF | 1.92 | 1.19 | 3.09 | 0.007 |
| TIAorCVA | 2.17 | 1.26 | 3.73 | 0.005 |
| LAD | 1.02 | 1.00 | 1.05 | 0.078 |
aHR, adjusted hazard ratio; CAD, coronary artery disease; HFrEF, heart failure with reduced ejection fraction; HFmrEF, heart failure with mid-range ejection fraction; HFpEF, heart failure with preserved ejection fraction; TIA, transient ischemic attack; CVA, cerebrovascular accident; LAD, left atrial diameter.