The study conducted by Kirchhof et al. [(1)][1] showed low bleeding and stroke rates in rivaroxaban-treated patients with atrial fibrillation (AF). We would emphasize the potential bias of including more low-risk… Click to show full abstract
The study conducted by Kirchhof et al. [(1)][1] showed low bleeding and stroke rates in rivaroxaban-treated patients with atrial fibrillation (AF). We would emphasize the potential bias of including more low-risk patients in real-world studies, because current guidelines neglect the causal
               
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