Silver Book Fact
Lifetime risk of developing atrial fibrillation for men and women
The lifetime risk of developing atrial fibrillation is around 1 in 4 for both men and women age 40 and older.
Lloyd-Jones D, Wang T, Leip E, Larson M, et al. Lifetime Risk for Development of Atrial Fibrillation: The Framingham Heart Study. Circ. 2004; 110(9): 1042-6. http://circ.ahajournals.org/cgi/content/short/110/9/1042