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Figure 4 Kaplan-Meier survival curves of the composite embolism-stroke-transient ischemic attack (TIA) in different groups of patients. (A) Survival curves inthe combined therapy and anticoagulant arms of the intermediate- and high-risk groups. (B) Survival curves in groups of patients receiving anticoagulant therapy for INR (2 to 3). ACO = anticoagulant; Emb/embol = embolism; TIA = transient ischemic attack; other abbreviations as in Figure 2.
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