- West Columbia, SCDate of first commercial TAVR procedure performed*:May, 2014TAVR Total Commercial VolumeCumulative volume since program inception:990Average annual volume for reporting period:15930-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2019 through September 30, 2022Eligible procedures in reporting period:456TAVR 30 Day Composite Score**:0.03(0.01, 0.04)0.03% (0.01, 0.04)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**