Fig. 1From: Impact of smoking on the outcomes of minimally invasive direct coronary artery bypassLogistic Regression Analysis for the Need of Urgent Surgery. Model R2 = 0.1806; Analysis of deviance for the whole model—p < 0.0001. AMI: acute myocardial infarction; CCS: Canadian Cardiovascular Society classification of chest angina; CI: confidence intervalBack to article page