Table 2.
Operative characteristics and maze lesion set
| Characteristic | Group A (n=140) | Group B (n=99) | p-value |
|---|---|---|---|
| Urgency/emergency operation | 0.037 | ||
| Elective | 131 (93.6) | 99 (100.0) | |
| Urgency | 8 (5.7) | 0 | |
| Emergency | 1 (0.7) | 0 | |
| Concomitant procedure | |||
| Valve | 122 (87.1) | 86 (86.9) | 0.950 |
| Coronary artery bypass graft surgery | 17 (12.1) | 2 (2.0) | 0.004 |
| Aorta | 11 (8.0) | 5 (5.1) | 0.377 |
| Othera) | 13 (9.3) | 9 (9.1) | 0.959 |
| Cardiopulmonary bypass time (min) | 157.4±59.6 | 160.7±44.4 | 0.679 |
| Aortic cross-clamping time (min) | 120.6±48.9 | 129.4±143.6 | 0.551 |
| Ablation lesion set | 0.011 | ||
| Bilateral | 123 (87.9) | 98 (99.0) | |
| Right-side | 10 (7.1) | 0 | |
| Left-side | 4 (2.9) | 0 | |
| Pulmonary vein isolation | 3 (2.1) | 1 (1.0) | |
Values are presented as frequency (%) for categorical variables or mean±standard deviation for continuous variables.
a)
Repair of atrial septal defect, repair of ventricular septal defect, and tumor excision.