Results from the Registry of Atrial Fibrillation (AFABE): Gap between Undiagnosed and Registered Atrial Fibrillation in Adults—Ineffectiveness of Oral Anticoagulation Treatment with VKA

Figure 2

Registered prevalence distribution versus expected prevalence of AF by age groups. The expected AF prevalence [13] was 10.9% ( 5267), but the registered prevalence was just 7.5% ( 3638). The rate of undiagnosed AF for subjects over 60 years old was 3.4%, representing 31% of the overall AF prevalence in our study, compared to a percentage between 25% and 35% in other studies [22–26].