Table 2.
Catheter ablation data
| All patients (n = 44) | AF‐free group (n = 34) | AF‐recurrent group (n = 10) | P value | |
|---|---|---|---|---|
| Left atrial surface area, cm2 | 106 ± 18 | 107 ± 17 | 98 ± 18 | .155 |
| LAPWI area, cm2 | 11 ± 4 | 11 ± 4 | 10 ± 2 | .169 |
| Total radiofrequency time, min | 66 ± 16 | 64 ± 15 | 74 ± 17 | .079 |
| Radiofrequency time for LAPWI, min | 8 ± 5 | 8 ± 5 | 7 ± 4 | .516 |
| Low voltage area in the left atrium, cm2 | 57 ± 21 | 57 ± 22 | 56 ± 16 | .936 |
| Low voltage area in the posterior wall, cm2 | 10 ± 5 | 10 ± 5 | 9 ± 5 | .513 |
| CFAE area in the left atrium, cm2 | 31 ± 17 | 33 ± 17 | 23 ± 15 | .130 |
| CFAE area in the posterior wall, cm2 | 2 ± 3 | 2 ± 3 | 2 ± 2 | .608 |
Note: Data are mean ± SD.
Abbreviations: AF, atrial fibrillation; CFAE, complex fractionated atrial electrogram; LAPWI, left atrial posterior wall isolation.