Survival After Isolated Coronary Artery Bypass Grafting in Patients With Severe Left Ventricular Dysfunction Waleed A. Ahmed, MD, Phillip J. Tully, BHSc(Hons), Robert A. Baker, PhD, John L. Knight, FRACS, MD The Annals of Thoracic Surgery Volume 87, Issue 4, Pages 1106-1112 (April 2009) DOI: 10.1016/j.athoracsur.2008.12.081 Copyright © 2009 The Society of Thoracic Surgeons Terms and Conditions
Fig 1 Kaplan-Meier actuarial survival curves for all-cause mortality in left ventricular ejection fraction (LVEF) groups comparing normal LVEF of 61% or greater (dashed line), impaired LVEF from 31% to 59% (solid line), and severe LVEF of 30% or less (broken line). The Annals of Thoracic Surgery 2009 87, 1106-1112DOI: (10.1016/j.athoracsur.2008.12.081) Copyright © 2009 The Society of Thoracic Surgeons Terms and Conditions