- Chattanooga, TNDate of first commercial TAVR procedure performed*:Dec, 2011TAVR Total Commercial VolumeCumulative volume since program inception:955Average annual volume for reporting period:11730-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2021 through September 30, 2024Eligible procedures in reporting period:309TAVR 30 Day Composite Score**:0.04( 0.01 , 0.06)0.04% (0.01, 0.06)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**