Fig. 4From: Impact of smoking on the outcomes of minimally invasive direct coronary artery bypassMultivariate Cox regression analysis for the long-term all-cause postoperative survival. Model R2 = 0.2811; Analysis of deviance for the whole model—p < 0.0001. CI: confidence interval; LVEF: left ventricular ejection fraction; NYHA: New York Heart Association classification of dyspnea; PAD: peripheral artery diseaseBack to article page