- Durham, NCDate of first commercial TAVR procedure performed*:May, 2012TAVR Total Commercial VolumeCumulative volume since program inception:2541Average annual volume for reporting period:37130-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2021 through September 30, 2024Eligible procedures in reporting period:907TAVR 30 Day Composite Score**:0.02( 0.00 , 0.03)0.02% (0, 0.03)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**