Variable, % unless otherwise indicated | EuroSCORE > 20, n = 237 | EuroSCORE ≤ 20, n = 1,184 |
---|---|---|
Demographic data | ||
Age | ||
<60 yrs | 11.4 | 24.7 |
60–69 yrs | 13.9 | 25.4 |
70–79 yrs | 42.6 | 37.3 |
≥ 80 yrs | 32 | 12.6 |
Age, mean yrs ± SD | 73.2 ± 12.4 | 66.7 ± 12.8 |
Female | 35.0 | 33.8 |
Cardiovascular risk factors/diseases | ||
Current or former cigarette smoking | 57.0 | 61.5 |
Body mass index, mean kg/m2 ± SD | 26.6 ± 4.6 | 28.2 ± 5.3 |
Active endocarditis | 8.0 | 1.1 |
Diabetes mellitus | 22.8 | 21.5 |
Hypertension | 59.9 | 53.3 |
Extracardiac arteriopathy | 56.5 | 18.6 |
Pulmonary hypertension | 31.2 | 5.2 |
Previous cardiac surgery | 30.4 | 7.9 |
Left ventricular ejection fraction | ||
>0.50 | 37.6 | 80.4 |
0.30–0.50 | 35.4 | 16.4 |
<0.30 | 27.0 | 3.2 |
Unstable angina | 14.4 | 0.8 |
MI within 21 days of surgery | 13.1 | 2.6 |
Hyperlipidemia | 48.5 | 49.1 |
Medical comorbidities | ||
Hemoglobin, mean g/dL ± SD | 12.2 ± 1.9 | 13.5 ± 1.7 |
Serum creatinine > 200 μmol/L | 15.2 | 1.9 |
Chronic lung disease | 33.3 | 15.0 |