- Billings, MTDate of first commercial TAVR procedure performed*:Apr, 2014TAVR Total Commercial VolumeCumulative volume since program inception:509Average annual volume for reporting period:6930-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2021 through September 30, 2024Eligible procedures in reporting period:185TAVR 30 Day Composite Score**:-0.01( -0.04 , 0.02)-0.01% (-0.04, 0.02)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**