- St. Louis, MissouriDate of first commercial TAVR procedure performed*:May, 2012TAVR Total Commercial VolumeCumulative volume since program inception:481Average annual volume for reporting period:12530-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2018 to September 30, 2021Eligible procedures in reporting period:272TAVR 30 Day Composite Score**:0.04(0.01, 0.06)0.04% (0.01, 0.06)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**