BACKGROUND
This register-based observational study compares dabigatran to warfarin for secondary stroke prevention in atrial fibrillation patients among both "new starters" on dabigatran and "switchers" to dabigatran from warfarin.
METHODS
We identified, in nationwide Danish registries, 2398 patients with atrial fibrillation and a history of stroke/transient ischemic attack, making a first-ti...
