Comparison between paroxysmal atrial fibrillation (AF) subjects undergoing cryoablation and radiofrequency ablation
| Paroxysmal AF subjects undergoing | Cryoablation (n=90) | Conventional Radiofrequency Ablation (n=53) | p |
| Age (years) | 57.3±9.4 | 59.3±9.7 | NS |
| Men (%) | 75 | 77 | NS |
| Mean LA diameter (mm) | 39.6±7.1 | 41.6±6.5 | NS |
| LVEDD (mm) | 49.5±6.7 | 47.8±6.5 | NS |
| Ejection fraction (%) | 65.0±8.8 | 60.3±7.3 | NS |
| Duration of AF (years) | 5.6±4.1 | 6.0±4.8 | NS |
| Number of failed antiarrhythmic drugs | 2.1±0.6 | 1.9±0.6 | NS |
| Comorbidities | |||
| 42 (47%) | 14 (26%) | |
| 5 (6%) | 3 (6%) | |
| Prior ablations | |||
| 10 (11%) | 4 (8%) | |
CABG, coronary artery bypass graft; LA, left atrium; LVEDD, left ventricular end diastolic diameter; PCI, percutaneous coronary intervention.