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Operative Characteristics
| Variable | Mean ± SD or n (%) |
|---|---|
| Concomitant left-sided procedure | |
| Mitral valve repair | 134 (78) |
| Mitral valve replacement | 16 (9) |
| Aortic valve replacement | 9 (5) |
| Mitral repair + aortic valve replacement | 8 (5) |
| Mitral replacement + aortic valve replacement | 4 (2) |
| Surgical ablation procedure | 88 (51) |
| Cardiopulmonary bypass time, minutes | 109 ± 51 |
| Cross-clamp time, minutes | 87±44 |
