Table 7. PV volume and LA dimension in the PAF and non-PAF groups.
| Variables | PAF | non-PAF | |||
|---|---|---|---|---|---|
| Patients, n | Patients, n | P Value | |||
| Total PV volume, cm3/BSA(m2) | 73 | 11.4 ± 3.4 | 45 | 12.2 ± 3.4 | 0.127 |
| LA volume, cm3/BSAm2 | 73 | 46.1 ± 11.6 | 45 | 58.4 ± 14.6 | <0.001* |
| Total PV+LA volume, cm3/BSA(m2) | 73 | 57.5 ± 13.3 | 45 | 70.6 ± 16.3 | <0.001* |
| Total PV volume / LA volume | 73 | 0.256 ± 0.082 | 45 | 0.217 ± 0.063 | 0.010* |
| LA diameter | |||||
| LA longitudinal, mm/BSA(m2) | 40 | 33.9 ± 4.4 | 23 | 34.1 ± 5.0 | 0.909 |
| LA anteroposterior, mm/BSA(m2) | 40 | 18.6 ± 3.6 | 23 | 18.7 ± 4.1 | 0.915 |
| LA top―mitral annulus, mm/BSA(m2) | 40 | 28.9 ± 3.9 | 23 | 30.4 ± 3.9 | 0.148 |
| LA transverse, mm/BSA(m2) | 40 | 29.4 ± 3.6 | 23 | 32.7 ± 5.3 | 0.020* |
Data are mean ± SD.
* significant difference
BSA, body surface area; LA, left atrium; non-PAF, non-paroxysmal atrial fibrillation; PAF, paroxysmal atrial fibrillation; PV, pulmonary vein