|Device Group||Control Group|
|No. of Events||% of Subjects||% of Endpoints||No. of Events||% of Subjects||% of Endpoints|
PREVAIL = Watchman LAA Closure Device in Patients With Atrial Fibrillation Versus Long Term Warfarin Therapy.
↵∗ Endpoint analysis was based on the initial event per-patient even if a patient experienced multiple events.