Persistence With Antiarrhythmics and the Impact on Atrial Fibrillation–Related OutcomesByK. Jack Ishak, PhD,Irina Proskorovsky, MSc,Shien Guo, PhD,Jay Lin, PhD,J. Jaime Caro, MDCM, FRCPCNovember 1st 2009Retrospective analysis of claims data showed that persistence with amiodarone and sotalol was generally poor.