Reduced risk of death with warfarin - results of an observational nationwide study of 20 442 patients with atrial fibrillation and ischaemic stroke
BackgroundWarfarin is demonstrated to be superior in efficacy over antiplatelet agents for the prevention of stroke, but the relationship between warfarin and mortality is less clear. Our aim was to investigate this relationship in a large cohort of unselected patients with atrial fibrillation and ischaemic stroke. MethodsThis observational study was based on patients who were discharged alive and