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. Author manuscript; available in PMC: 2018 May 9.
Published in final edited form as: J Am Coll Cardiol. 2018 May 8;71(18):2041–2057. doi: 10.1016/j.jacc.2018.03.019

FIGURE 5. Risk of Stopping Warfarin in the First Year on the Basis of Perceived Safety Concerns by Age.

FIGURE 5

The y-axis represents the smoothed hazard estimates over time for the 2 age groups (<80 and ≥80 years). Numbers below the graph are the number of patients on warfarin at that time point (p < 0.001, log-rank test). The risk of stopping warfarin peaked early and then, beginning at 6 months, approximated that of younger patients. Reproduced with permission from Hylek et al. (61).