Table 1.
Preoperative demographic data and clinical characteristics of survival and mortality groups (Expressed as Mean ± Standard Error)
| All Patients (n = 483) | Survival (n = 435) | Mortality (n = 48) | p-value | |
|---|---|---|---|---|
| Preoperative demographic data | ||||
| Age (years) | 62.9 ± 0.5 | 62.3 ± 0.5 | 68.8 ± 1.5 | <0.001 |
| Sex, female (%) | 85 (17.6) | 75 (17.2) | 10 (20.8) | 0.535 |
| Diabetes mellitus (%) | 252 (52.2) | 223 (51.3) | 29 (60.4) | 0.228 |
| Hypertension (%) | 376 (77.8) | 340 (78.2) | 36 (75.0) | 0.617 |
| ESRD (%) | 57 (11.8) | 43 (9.9) | 14 (29.2) | <0.001 |
| Shock (%) | 66 (13.7) | 42 (9.7) | 24 (50.0) | <0.001 |
| Mechanical ventilation, n (%) | 45 (9.3) | 33 (7.6) | 12 (25.0) | <0.001 |
| Serum Creatinine (mg/dL) | 2.0 ± 0.12 | 1.79 ± 0.11 | 3.85 ± 0.51 | <0.001 |
| Albumin (g/L) | 3.85 ± 0.03 | 3.89 ± 0.30 | 3.25 ± 0.93 | <0.001 |
| Hemoglobin (g/dL) | 12.5 ± 0.1 | 12.7 ± 0.1 | 10.8 ± 0.3 | <0.001 |
| hs-CRP (mg/L) | 26.4 ± 2.7 | 23.1 ± 2.7 | 58.6 ± 16.3 | <0.001 |
| Preoperative heart condition | ||||
| CHF Fc III/IV (%) | 77 (15.9) | 63 (14.5) | 14 (29.2) | 0.008 |
| IABP, (%) | 60 (12.4) | 40 (9.2) | 20 (41.7) | <0.001 |
| ECMO, (%) | 11 (2.3) | 7 (1.6) | 4 (8.3) | 0.017 |
| Ejection fraction (%) | 53 ± 1 | 54 ± 1 | 40 ± 2 | <0.001 |
| Recent MI, (%) | 225 (46.6) | 191 (43.9) | 34 (70.8) | 0.001 |
| CAD vessels | 2.80 ± 0.02 | 2.8 ± 0.02 | 2.8 ± 0.07 | 0.437 |
| Preoperative scores | ||||
| STS-risk of mortality | 7.7 ± 0.6 | 5.4 ± 0.5 | 27.9 ± 3.1 | <0.001 |
| EuroSCORE II | 6.8 ± 0.4 | 5.4 ± 0.4 | 18.9 ± 2.1 | <0.001 |
Abbreviations: CAD coronary artery disease, CHF Fc congestive heart failure functional class, ECMO Extracorporeal Membrane Oxygenation, ESRS End stage renal disease, EuroSCORE European System for Cardiac Operative Risk Evaluation, hs-CRP high-sensitivity C-reactive protein, IABP intra-aortic balloon pump, ICU intensive care unit, MI myocardial infarction, NS not significant, STS Society of Thoracic Surgeons