Table 5. PV volume and LA volume with and without the recurrence of AF.
| Variables | PAF | non-PAF | ||||
|---|---|---|---|---|---|---|
| No Recurrence | AF Recurrence | P Value | No Recurrence | AF Recurrence | P Value | |
| Patients, n | 50 | 23 | 26 | 19 | ||
| Total PV volume, cm3/BSA(m2) | 10.6 ± 2.8 | 13.1 ± 3.9 | 0.013* | 12.8 ± 3.1 | 11.5 ± 3.6 | 0.782 |
| LA volume, cm3/BSA(m2) | 44.8 ± 11.4 | 48.9 ± 11.5 | 0.330 | 58.3 ± 13.8 | 58.5 ± 15.7 | 0.952 |
| Total PV+LA volume, cm3/BSA(m2) | 55.5 ± 12.3 | 61.9 ± 14.1 | 0.181 | 71.1 ± 14.7 | 67.0 ± 18.4 | 0.972 |
| Total PV volume / LA volume | 0.249 ± 0.088 | 0.271 ± 0.066 | 0.321 | 0.229 ± 0.069 | 0.200 ± 0.048 | 0.512 |
| Anatomical variation of PV | ||||||
| Left PV variation (common trunk) | 11(22.0) | 6(26.1) | 0.769 | 7(26.9) | 5(26.3) | 0.746 |
| Accessary vein | 10(20.0) | 7(30.4) | 0.378 | 9(34.6) | 5(26.3) | 1.00 |
Data are mean ± SD, and n (%).
* significant difference
AF, atrial fibrillation; BSA, body surface area; LA, left atrium; non-PAF, non-paroxysmal atrial fibrillation; PAF, paroxysmal atrial fibrillation; PV, pulmonary vein