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The number and proportion of ischemic strokes according to the Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification in the control and implantable loop recorder (ILR) groups are displayed. Other or unknown includes embolic strokes of undetermined source, which was 63 (29%) for the control group and 15 (27%) for the ILR group. χ2 Test revealed no difference.
