Table 2.
Patient demographics and procedural data.
| Demographics | cPVB-positive (N = 22 patients) | cPVB-negative (N = 176 patients) | P value |
|---|---|---|---|
| Age (years) | 65 ± 16 | 66 ± 20 | 0.462 |
| Male (%) | 64 | 62 | 0.917 |
| Hypertension (%) | 15 | 16 | 0.935 |
| Diabetes (%) | 5 | 4 | 0.856 |
| AF history (years) | 6.2 ± 5.1 | 6.9 ± 4.6 | 0.322 |
| LA size (mm) | 40 ± 6 | 41 ± 6 | 0.464 |
| Weight (Kg) | 76 ± 16 | 75 ± 12 | 0.605 |
| Sleep apnea (%) | 4 | 2 | 0.579 |
| Structural heart disease (%) | 6 | 6 | 0.943 |
| Heart rate during sinus rhythm (beats/min) | 72 ± 8 | 68 ± 8 | 0.002 |
| RF number required for ipsilateral PVs isolation | 21.6 ± 6.8 | 18.2 ± 5.6 | 0.024 |
| AF recurrence (%) | 27 | 17 | 0.032 |
| Complication (%) | 1 | 1 | 0.874 |
| Follow-up (months) | 33 ± 20 | 32 ± 20 | 0.713 |
cPVB = concealed pulmonary vein bigeminy; AF = atrial fibrillation; LA = left atrium; RF = radiofrequency.