1. Off-pump myocardial revascularization is associated with less incidence of stroke in elderly patients 
Thanos Athanasiou, MD, PhD, Sharif Al-Ruzzeh, FRCS, Pankaj Kumar, FRCS, Mary-Clare Crossman, MRCS, Mohamed Amrani, FRCS, John R Pepper, FRCS, Rex Del Stanbridge, FRCS, Roberto Casula, FECTS, Brian Glenville, FRCS 
The Annals of Thoracic Surgery 
Volume 77, Issue 2, Pages (February 2004)
DOI: /j.athoracsur

2. Fig 1
Meta-analysis of stroke comparing off-pump coronary artery bypass versus cardiopulmonary bypass in the elderly. (CI = confidence interval; OR = odds ratio.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

3. Fig 2
Funnel plot showing the association between Standard Error of log Odds Ratio [SE(logOR)] and Odds Ratio (OR) as it was calculated by the fixed effect model.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )