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Figure 4 Kaplan-Meier actuarial curves demonstrating survival free from 1) myocardial infarction; 2) any stroke; 3) death; and 4) all events, with event-free survival rates of 98.1%, 95.1%, 93.6% and 88.2%, respectively, at a mean follow-up of 19 ± 11 months. At 12 months of follow-up, the rates were 98.3%, 95.1%, 95.1% and 89.6%, respectively.
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