- Kalispell, MontanaDate of first commercial TAVR procedure performed*:Nov, 2016TAVR Total Commercial VolumeCumulative volume since program inception:298Average annual volume for reporting period:7630-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2018 to September 30, 2021Eligible procedures in reporting period:202TAVR 30 Day Composite Score**:0.00(-0.03, 0.03)0% (-0.03, 0.03)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**