When we analysed the proportional hazard assumption for the one-year risk of primary outcomes in patients who discontinued OAC compared to those who maintained OAC after PSM, we found potential non-proportional hazards for all-cause death (χ 2 10.834), and MACE (χ 2 25.283), with borderline non-significant values for major bleeding (χ 2 3.770) ( Fig. 3 ).
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Adverse events in clinically complex elderly patients with atrial fibrillation according to oral anticoagulation status.
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