1. Association between indices of prosthesis internal orifice size and operative mortality after isolated aortic valve replacement 
Charles R. Bridges, MD, ScD, Sean M. O’Brien, PhD, Joseph C. Cleveland, MD, Edward B. Savage, MD, James S. Gammie, MD, Fred H. Edwards, MD, Eric D. Peterson, MD, Frederick L. Grover, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 133, Issue 4, Pages e2 (April 2007)
DOI: /j.jtcvs
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Estimated risk-adjusted mortality rate as a function of BSA and EOA. BSA, body surface area; EOA, effective orifice area.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Estimated association between BSA and risk-adjusted mortality as a function of EOA. ■, EOA = 1.2 cm2; •, EOA = 1.4 cm2; ▲, EOA = 1.6 cm2; ♦, EOA = 1.8 cm2. BSA, body surface area; EOA, effective orifice area.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Estimated association between BSA and risk-adjusted mortality as a function of GOA. ■, GOA = 2.0 cm2; •, GOA = 3.0 cm2; ▲, GOA = 4.0 cm2; ♦, GOA = 5.0 cm2). BSA, body surface area; GOA, geometric orifice area.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions