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Variations of Prevalence and Incidence of Atrial Fibrillation and Oral Anticoagulation Rate According to Different Analysis Approaches

 Pil-Sung Yang  ;  Soorack Ryu  ;  Daehoon Kim  ;  Eunsun Jang  ;  Hee Tae Yu  ;  Tae-Hoon Kim  ;  Jinseub Hwang  ;  Boyoung Joung  ;  Gregory Y H Lip 
 SCIENTIFIC REPORTS, Vol.8(1) : 6856, 2018 
Journal Title
Issue Date
The reported incidence and prevalence of atrial fibrillation (AF) has been inconsistent across published studies. Using the National Health Insurance Service database of Korea, the prevalence and incidence of AF, and oral anticoagulation (OAC) use of AF patients were explored according to three different approaches; 'formal approach', considering individual AF diagnosis and mortality; 'limited diagnosis approach', using upper 5 main diagnosis; and 'medical use approach', using the number of medical use AF population by year without considering individual AF history and mortality. The AF prevalence progressively increased by 2.46-fold from 0.50% in 2004 to 1.54% in 2015 when using a 'formal approach' (p for trend <0.001). The overall prevalence was 1.09% and 0.97% when using a 'formal approach' and 'limited diagnosis approaches', respectively. Overall prevalence decreased to 0.52% with a 'medical use approach'. The trend of annual AF incidence was stable when using a 'formal approach', but increased by 15% when using a 'medical use approach'. OAC rate in 2015 was 2.1 times higher when using a 'medical use approach' compared to using a 'formal approach' (40.3% vs. 19.1%, p < 0.001). Given the wide variability in prevalence and incidence figures with different analysis approaches, careful attention to the analysis methodology is needed.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
Jang, Eunsun(장은선) ORCID logo https://orcid.org/0000-0001-6991-4765
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
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