- Ann Arbor, MIDate of first commercial TAVR procedure performed*:Jan, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1927Average annual volume for reporting period:23530-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2019 through September 30, 2022Eligible procedures in reporting period:724TAVR 30 Day Composite Score**:-0.01( -0.03 , 0.01)-0.01% (-0.03, 0.01)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**