- Boston, MADate of first commercial TAVR procedure performed*:Feb, 2012TAVR Total Commercial VolumeCumulative volume since program inception:2083Average annual volume for reporting period:38330-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2020 through September 30, 2023Eligible procedures in reporting period:935TAVR 30 Day Composite Score**:-0.02( -0.04 , -0.01)-0.02% (-0.04, -0.01)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**