Table 1 Demographics, baseline patient characteristics, main operative data and morbidity outcomes
From: A multivariate Bayesian model for assessing morbidity after coronary artery surgery
Variable | Training data | Testing data | ||
|---|---|---|---|---|
| Â | Mean or N | SD or % | Mean or N | SD or % |
Age (years) | 67.3 | 8.7 | 67.9 | 9.3 |
Gender (female) | 195 | 26% | 79 | 23% |
Weight (kg) | 72.7 | 11.6 | 72.3 | 10.9 |
BSA (m2) | 1.80 | 0.17 | 1.79 | 0.16 |
Preoperative Hct (%) | 38.5 | 4.8 | 39.8 | 4.6 |
Preoperative creatinine (mg/dL) | 1.07 | 0.49 | 1.10 | 0.36 |
Albumin (g/dL) | 3.80 | 0.43 | 3.98 | 0.39 |
Treated COPD | 73 | 9.9% | 26 | 7.4% |
Preoperative arrhythmia | 98 | 13% | 60 | 17% |
CHF | 43 | 5.8% | 12 | 3.4% |
History of PVD/CD | 137 | 19% | 83 | 24% |
History of TIA, stroke | 28 | 3.8% | 27 | 7.7% |
Preoperative IABP | 21 | 2.8% | 6 | 1.7% |
MI ≤30 days | 163 | 22% | 75 | 21% |
Treated diabetes | 144 | 19% | 54 | 15% |
LVEF ≤35% | 64 | 8.6% | 35 | 10% |
Emergency operation | 21 | 2.8% | 10 | 2.9% |
Urgent operation | 71 | 9.6% | 22 | 6.3% |
REDO | 19 | 2.6% | 10 | 2.9% |
Duration of CPB (minutes) | 112 | 45 | 118 | 46 |
Aortic cross-clamp time (minutes) | 79 | 33 | 81 | 33 |
Cardiovascular complications | 81 | 11% | 53 | 15% |
Respiratory complications | 46 | 6.2% | 26 | 7.4% |
Neurological complications | 28 | 3.8% | 19 | 5.4% |
Renal complications | 22 | 3.0% | 11 | 3.1% |
Infectious complications | 8 | 1.1% | 7 | 2.0% |
Hemorrhagic complications | 33 | 4.5% | 21 | 6.0% |