- Boston, MADate of first commercial TAVR procedure performed*:Nov, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1024Average annual volume for reporting period:14130-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2021 through September 30, 2024Eligible procedures in reporting period:417TAVR 30 Day Composite Score**:0.01( -0.02 , 0.03)0.01% (-0.02, 0.03)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**