inhibition, but data are limited on the bleeding risk of combination therapy. Methods We
performed a cohort study using nationwide registries to identify all Danish patients surviving
first-time hospitalization for AF between January 1, 1997, and December 31, 2006, and their
posthospital therapy of warfarin, aspirin, clopidogrel, and combinations of these drugs. Cox
proportional hazards models were used to estimate risks of nonfatal and fatal bleeding …