- Boston, MADate of first commercial TAVR procedure performed*:Feb, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1700Average annual volume for reporting period:31830-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2019 through September 30, 2022Eligible procedures in reporting period:745TAVR 30 Day Composite Score**:-0.02(-0.04, 0.00)-0.02% (-0.04, 0)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**