Table 1.
Patient characteristics
| Variable | Median (Q1, Q3) or n (%) |
|---|---|
| Age | 66 (57, 77) |
| Sex (% male) | 64 (72.7) |
| Body mass index (kg/m2) | 28 (25, 33) |
| Preoperative hemoglobin (g/dL) | 12.4 (10.8, 14.4) |
| Preoperative creatinine (mg/dL) | 1.1 (1.0, 1.4) |
| Preoperative bilirubin (mg/dL) | 0.9 (0.7, 1.0) |
| Preoperative albumin (g/dL) | 3.6 (3.3, 3.8) |
| Infectious endocarditis | 6 (6.8) |
| Cerebrovascular disease | 15 (17.1) |
| Chronic lung disease | 25 (28.4) |
| Diabetes | 31 (35.2) |
| Dialysis | 2 (2.3) |
| Dyslipidemia | 62 (70.5) |
| Hypertension | 75 (85.2) |
| Preoperative ACE inhibitor | 30 (34.1) |
| Preoperative beta-blocker | 70 (79.6) |
| LV ejection fraction | 55 (35, 60) |
| CPB time (minutes) | 148 (111, 201) |
| Deep hypothermic circulatory arrest | 21 (23.9) |
| Surgery type | |
| Isolated CABG | 11 (12.5) |
| Isolated valve | 33 (37.5) |
| Aortic surgery | 27 (30.7) |
| Other | 17 (19.3) |
| RBC transfusion (units) | 3 (1, 6) |
| FFP transfusion (units) | 2 (2, 6) |
| Platelet transfusion (units) | 2 (1, 4) |
| In-hospital mortality | 13 (14.7) |
ACE: Angiotensin converting enzyme, CABG: Coronary artery bypass grafting, CPB: Cardiopulmonary bypass, FFP: Fresh frozen plasma, LV: Left ventricle, RBC: Red blood cell