- Hartford, ConnecticutDate of first commercial TAVR procedure performed*:Feb, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1669Average annual volume for reporting period:29330-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2018 to September 30, 2021Eligible procedures in reporting period:850TAVR 30 Day Composite Score**:0.03(0.01, 0.04)0.03% (0.01, 0.04)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**