1. The value of aortic valve replacement in elderly patients: An economic analysis 
YingXing Wu, MD, Gary L. Grunkemeier, PhD, Albert Starr, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 133, Issue 3, Pages (March 2007)
DOI: /j.jtcvs
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Age-adjusted death rates by major cause of death, United States, Source data from US National Center for Health Statistics.2 Other disease category includes chronic lower respiratory diseases, diabetes mellitus, influenza, pneumonia, chronic liver disease, and cirrhosis.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Value of life-year by age in 2005 dollars, as derived from Murphy and Topel.3
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Total life-years after aortic valve replacement (light gray bar) and natural history (dark gray bar) by age at surgery. AVR, aortic valve replacement.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

5. Figure 4
Average net value gained after aortic valve replacement by age at surgery (gray bar). Error bars indicate 95% range from 1000 times simulation. AVR, aortic valve replacement.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions