b'SURGICAL VOLUMES AND OUTCOMESATRIOVENTRICULAR CANAL (AVC) REPAIRSPRIMARY PROCEDURE (VOLUME BY YEAR)2018 142017 112016 15Operative Mortality 10% Postoperative Median Requirement for 2Length of Stay 1 Permanent PacemakerSTS National Benchmark 1 10 days 0%2.5%1STS Congenital Heart Surgery National Report Published December 2018, reporting timeframe July 2014June 2018. Table 18. National Benchmark among sites with N>= 10, aggregate rate2STS Congenital Heart Surgery National Report Published December 2018, reporting timeframe July 2014June 2018. Table 2512|The Heart Center Annual Report 2018 childrens.com/heart|12'