Table 1 Baseline preoperative characteristics a
Variable | All patients N=6653 |
|---|---|
Age, years (SD) | 66 (10.9) |
Male Sex, n (%) | 4647 (69.9) |
Obesity (BMI > 30 kg/m2), n (%) | 461 (6.9) |
% EF | Â |
>50%, n (%) | 3410 (60.6) |
30-50%, n (%) | 1499 (26.7) |
<30%, n (%) | 715 (12.7) |
Type of Surgery | Â |
CABG only, n (%) | 4319 (64.9) |
Combined valve + CABG, n (%) | 986 (14.9) |
Valve only, n (%) (Heart transplant, congenital, and ventricular assist devices excluded) | 1024 (15.4) |
Smoking (current/<1 year abstinent), n (%) | 85 (1.3) |
Diabetes, n (%) | 1642 (24.7) |
COPD, n (%) | 703 (10.6) |
CRF, n (%) | 644 (9.7) |
Mean preoperative creatinine, μmol/L (SD) | 111 (73) |
Mean eGFR, ml/min/1.73 m2, (SD) | 65 (22) |
CHF, n (%) | 2458 (37.0) |
Hypertension, n (%) | 4216 (63.4) |
Redo surgery, n (%) | 499 (7.5) |
Left main disease, n (%) | 1018 (15.3) |
Duration of Preoperative Hospital Stay, median (IQR) | 2 (2–3) |
Emergency surgery, n (%) | 571 (8.6) |
Parsonnet score, mean (SD) | 18.7 (13.3) |