The cost of hospitalization for patients with nonrecurrent ischemic stroke is $4,991 more in patients with atrial fibrillation, than in patients without the disease.
Wang, Guijing, Heesoo Joo, Xin Tong, and Mary George. Hospital Costs Associated with Atrial Fibrillation for Patients with Ischemic Stroke Aged 18-64 Years in the United States. Stroke. 2015; 46: 1314-20. http://stroke.ahajournals.org/content/46/5/1314.abstract?sid=700ab191-0e9c-437c-a37e-0e3c17ae6d15