- Saint Louis, MissouriDate of first commercial TAVR procedure performed*:Feb, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1129Average annual volume for reporting period:18230-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2018 to September 30, 2021Eligible procedures in reporting period:467TAVR 30 Day Composite Score**:0.02(-0.01, 0.04)0.02% (-0.01, 0.04)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**