Stentless vs. stented bioprosthesis for aortic valve replacement: A case matched comparison of long-term follow-up and subgroup analysis of patients with native valve endocarditis - Fig 1
<p><b>Kaplan-Meier survival curve for survival comparison of Sorin Freedom Solo and Carpentier Edwards Perimount bioprosthetic heart valves (A) and survival probability for patients with or without re-do surgery after index procedure [no = without re-do surgery; yes = with re-do surgery] (B)</b>.</p