1. Left heart bypass during descending thoracic aortic aneurysm repair does not reduce the incidence of paraplegia 
Joseph S Coselli, MD, Scott A LeMaire, MD, Lori D Conklin, MD, Gerald J Adams, EdD 
The Annals of Thoracic Surgery 
Volume 77, Issue 4, Pages (April 2004)
DOI: /j.athoracsur

2. Fig 1
Boxplots of the propensity scores in patients who underwent descending thoracic aortic repair without and with left heart bypass (LHB). For each distribution the upper horizontal line indicates the maximum score, theupper edge of the box indicates the 75th percentile, the middle horizontal line indicates the median (50th percentile), the lower edge of the box indicates the 25th percentile, and the lower horizontal line indicates the minimum value. The numbers of patients in the LHB and no LHB groups are shown below the horizontal axis.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

3. Fig 2
Boxplots of the propensity scores in patients who underwent descending thoracic aortic repair without and with left heart bypass (LHB) grouped according to stratification into quintiles. For each distribution the upper horizontal line indicates the maximum score, the upper edge of the box indicates the 75th percentile, the middle horizontal line indicates the median (50th percentile), the lower edge of the box indicates the 25th percentile, and the lower horizontal line indicates the minimum value. The numbers of patients in the LHB and no LHB groups are shown below the horizontal axis.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )