| CartoMerge mean ± SD | NavX Fusion mean ± SD | p Value | |
|---|---|---|---|
| No of patients (persistent) | 33 (11) | 31 (10) | |
| Age at procedure (years) | 58.3 ± 14.2 | 60.3 ± 7.8 | 0.794 |
| Time for registration (h:min) | 0:23 ± 0:17 | 0:33 ± 0:12 | 0.001 |
| x Ray screening time for registration (minutes) | 10.8 ± 7.8 | 14.3 ± 7.5 | 0.033 |
| Time for RPV (h:min) | 0:48 ± 0:24 | 0:54 ± 0:25 | 0.509 |
| Time for LPV (h:min) | 0:45 ± 0:19 | 0:54 ± 0:33 | 0.560 |
| Procedure length (minutes) | |||
| Paroxysmal | 201.7 ± 60.4 | 204.9 ± 50.5 | 0.980 |
| Persistent | 254.1 ± 52.6 | 283.5 ± 54.9 | 0.218 |
| Radiofrequency time total (s) | |||
| Paroxysmal | 2432 ± 852 | 3005 ± 1060 | 0.1 |
| Persistent | 3200 ± 1291 | 4466 ± 1418 | 0.044 |
| No patients free of AF at 6-month follow-up (%) | |||
| Paroxysmal | 10 (45.4) | 11 (47.6) | 0.843 |
| Persistent | 3 (27.2) | 0 (0) | 0.016 |
AF, atrial fibrillation; LPV, left pulmonary vein; RPV, right pulmonary vein.