Table 2. Operative data of the study patients.
| Variables | BMVR group (n=241) | PMVR group (n=68) | P value |
|---|---|---|---|
| CPB time (minutes) | 228.6±74.5 | 208.7±82.4 | 0.060 |
| ACC time (minutes) | 153.6±51.0 | 133.0±44.9 | 0.003 |
| Prosthetic valve size, n (%) | 0.13 | ||
| 21 | 1 (0.4) | 0 (0.0) | |
| 23 | 4 (1.7) | 0 (0.0) | |
| 25 | 71 (29.5) | 21 (30.9) | |
| 27 | 57 (23.7) | 26 (38.2) | |
| 29 | 70 (29.0) | 17 (25.0) | |
| 31 | 33 (13.7) | 3 (4.4) | |
| 33 | 5 (2.1) | 1 (1.4) | |
| Concomitant procedure, n (%) | |||
| Aortic valve procedure | 99 (41.1) | 11 (16.2) | <0.001 |
| Bioprosthetic valve replacement | 92 (38.2) | 10 (14.7) | |
| Mechanical valve replacement | 1 (0.4) | 1 (1.5) | |
| Repair | 6 (2.5) | 0 (0.0) | |
| Tricuspid valve procedure | 119 (49.4) | 14 (20.6) | <0.001 |
| Bioprosthetic valve replacement | 13 (5.4) | 3 (4.4) | |
| Mechanical valve replacement | 0 (0.0) | 0 (0.0) | |
| Repair | 116 (48.1) | 11 (16.2) | |
| Arrhythmia surgery | 74 (30.7) | 33 (48.5) | 0.006 |
| CABG | 13 (5.4) | 4 (7.4) | 0.54 |
BMVR, mitral valve replacement with Carpentier-Edwards PERIMOUNT bovine pericardial valves; PMVR, mitral valve replacement with Hancock II porcine bioprostheses; ACC, aortic cross clamp; CPB, cardiopulmonary bypass; CABG, coronary artery bypass grafting.