- Clackamas, ORDate of first commercial TAVR procedure performed*:Mar, 2013TAVR Total Commercial VolumeCumulative volume since program inception:1199Average annual volume for reporting period:18630-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2020 through September 30, 2023Eligible procedures in reporting period:512TAVR 30 Day Composite Score**:0.01( -0.02 , 0.02)0.01% (-0.02, 0.02)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**