Table 1:

Prevalence of risk factors in EuroSCORE, EuroSCORE II and STS risk-stratification algorithms

	EuroSCORE	EuroSCORE II	STS	Mean (SD) or %
Age (years)	√	√	√	74.5 ± 3.9
Gender (female)	√	√	√	35.0%
Chronic pulmonary disease	√	√	√	26.4%
Extracardiac arteriopathy	√	√	√	21.5%
Neurological dysfunction	√	√		2.1%
Previous cardiac surgery	√	√	√	1.9%
Creatinine >200 µmol/l	√	√	√	5.6%
Critical preoperative state	√	√	√	0.1%
Unstable angina	√	√	√	22.7%
Left ventricular function	√	√	√	50.7 ± 12.2
Recent myocardial infarction	√	√		29.7%
Myocardial infarction >8–21 days			√	14.7%
Pulmonary hypertension	√			15.7%
Pulmonary hypertension—moderate		√		12.4%
Emergency	√	√	√	3.70%
Diabetes control—insulin		√	√	14.7%
NHYA class 1		√	√	76.4%
Hypertension			√	60.5%
Three-vessel disease			√	67.3%

STS: Society of Thoracic Surgeons.