- Lewiston, MEDate of first commercial TAVR procedure performed*:Sep, 2015TAVR Total Commercial VolumeCumulative volume since program inception:468Average annual volume for reporting period:3130-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2020 through September 30, 2023Eligible procedures in reporting period:171TAVR 30 Day Composite Score**:-0.02( -0.06 , 0.01)-0.02% (-0.06, 0.01)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**