Table 1

Definition of study groups


Target Time

for Surgery

Anginal Symptoms, Coronary Anatomy,

and Left Ventricular Function


6 weeks

Patients with either persistent unstable angina or stable angina and extensive coronary artery disease

(left-main stenosis more than 50%, triple-vessel disease, or double-vessel disease with significant

proximal left anterior descending stenosis and impaired left ventricular function)


12 weeks

Stable symptomatic patients with limited coronary artery disease (double-vessel disease with no lesion in

the proximal left anterior descending artery and normal left ventricular function or single-vessel disease

with significant stenosis of the proximal left anterior descending artery)

Sobolev et al. BMC Health Services Research 2008 8:185   doi:10.1186/1472-6963-8-185

Open Data