- Portland, MEDate of first commercial TAVR procedure performed*:Apr, 2012TAVR Total Commercial VolumeCumulative volume since program inception:1646Average annual volume for reporting period:27430-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2019 through September 30, 2022Eligible procedures in reporting period:755TAVR 30 Day Composite Score**:0.00(-0.02, 0.01)0% (-0.02, 0.01)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**