Table 2.
Operative characteristics
| MELD <9 | MELD 9–15 | MELD >15 | ||
|---|---|---|---|---|
| Operative Characteristics | (n=15566) | (n=4542) | (n=1164) | p-value |
| Coronary artery bypass | 12475 (80.1%) | 3515 (77.4%) | 890 (76.5%) | <0.0001 |
| Aortic replacement | 3132 (20.1%) | 1059 (23.3%) | 246 (21.1%) | <0.0001 |
| Mitral replacement | 449 (2.9%) | 270 (5.9%) | 117 (10.1%) | <0.0001 |
| Mitral repair | 1047 (6.7%) | 356 (7.8) | 86 (7.4%) | 0.0314 |
| Urgent or emergent | 8042 (51.7%) | 2496 (55.0%) | 723 (62.1%) | <0.0001 |
| Prior cardiac surgery | 676 (4.3%) | 380 (8.4%) | 112 (9.6%) | <0.0001 |
| Cross clamp time (min) | 73 [56–94] | 77 [60–99] | 78 [60–98] | <0.0001 |
| Cardiopulmonary bypass time (min) | 99 [78–126] | 107 [84–136] | 108 [84–140] | <0.0001 |