Figure 2  .

Comparison of outcome between our patients and historical controls. Data are shown for an unselected population of 80 year olds in the US³ and patients over 80 years old with symptomatic aortic stenosis⁸ (solid triangles). Data from our study has been superimposed to show both our total population (solid boxes) and the long term survival for patients surviving > 30 days postoperatively (open circles).