- Stony Brook, NYDate of first commercial TAVR procedure performed*:Nov, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1127Average annual volume for reporting period:21630-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2019 through September 30, 2022Eligible procedures in reporting period:527TAVR 30 Day Composite Score**:0.00(-0.03, 0.02)0% (-0.03, 0.02)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**