- Billings, MTDate of first commercial TAVR procedure performed*:Apr, 2014TAVR Total Commercial VolumeCumulative volume since program inception:381Average annual volume for reporting period:5930-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2019 through September 30, 2022Eligible procedures in reporting period:168TAVR 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**