1. Preoperative quality of life as a predictive factor of 3-year survival after open heart operations 
Sidney Chocron, MD, PhD, Joseph-Philippe Etievent, MD, Jean-François Viel, MD, PhD, Alain Dussaucy, MD, François Clement, MD, Djamel Kaili, MD, Yusheng Yan, MD 
The Annals of Thoracic Surgery 
Volume 69, Issue 3, Pages (March 2000)
DOI: /S (99)

2. Fig 1
Mean scores for each section of quality of life before and after operation. Comparison of the scores before and after operation shows an improvement in quality of life in all sections explored by the Nottingham Health Profile. Postoperative quality of life scores do not vary significantly through time. (En = Energy; ER = emotional reaction; PM = physical mobility; SI = social isolation.)
The Annals of Thoracic Surgery  , DOI: ( /S (99) )