1. Impact of Endoscopic Versus Open Saphenous Vein Harvest Techniques on Outcomes After Coronary Artery Bypass Grafting 
Maral Ouzounian, MD, Ansar Hassan, MD, PhD, Karen J. Buth, MS, Celeste MacPherson, RN, Idris M. Ali, MD, Gregory M. Hirsch, MD, Imtiaz S. Ali, MD 
The Annals of Thoracic Surgery 
Volume 89, Issue 2, Pages (February 2010)
DOI: /j.athoracsur
Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
Risk-adjusted effect (adjusted for preoperative variables in Table 1) of endoscopic saphenous vein harvest (EVH) on short-term and midterm adverse outcomes after coronary artery bypass graft surgery. (HR = hazard ratio; OR = odds ratio; OVH = open vein harvest.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Risk-adjusted freedom from cardiac readmission or mortality. (EVH = endoscopic saphenous vein harvest; OVH = open vein harvest.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
Risk-adjusted freedom from unstable angina. (EVH = endoscopic saphenous vein harvest; OVH = open vein harvest.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions