Operative variable | No readmission (n = 10320) | Readmission (n = 479) | P value |
---|---|---|---|
Surgical priority, % | Â | Â | 0.009 |
  Emergent | 3.6 | 5.0 | |
  Urgent in-hospital | 40.0 | 46.3 | |
  Urgent out of hospital | 47.8 | 43.4 | |
  Nonurgent out of hospital | 8.6 | 5.2 | |
Surgical incidence, % | Â | Â | 0.01 |
  First operation | 91.4 | 86.8 | |
  Second operation | 7.0 | 11.3 | |
  Third or greater | 1.6 | 1.9 | |
Surgery, % | Â | Â | <0.001 |
  Isolated CABG | 49.2 | 32.6 | |
  CABG and single valve | 7.7 | 12.1 | |
  Isolated aortic valve repair or replacement | 6.3 | 5.8 | |
  Isolated mitral valve repair or replacement | 2.4 | 1.9 | |
  Multivalve repair or replacement | 1.5 | 3.3 | |
Intraoperative variables | Â | Â | Â |
  Cardiopulmonary bypass time, mean (SD) min | 127.1 (67.2) | 149.0 (56.2) | <0.001 |
  Aortic cross-clamp time, mean (SD), min | 88.8 (55.8) | 103.4 (48.8) | <0.001 |
  Intraoperative RBC transfusion, % | 25.7 | 50.3 | <0.001 |
  Intraoperative FFP transfusion, % | 12.3 | 27.1 | <0.001 |