- Ann Arbor, MIDate of first commercial TAVR procedure performed*:Aug, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1352Average annual volume for reporting period:21130-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2021 through September 30, 2024Eligible procedures in reporting period:532TAVR 30 Day Composite Score**:0.00( -0.03 , 0.01)0% (-0.03, 0.01)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**