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15-49岁社会中坚力量家庭责任Stroke CEH ,high-risk source of car dioembolism; CEL, low-risk source of ca rdioembolism; ICAD, internal carotid artery dissection; LAA, large-artery atherosclerosis; ROD, rare causes, nondissection; SVO, s marl-vessel occlusion; UND, undetermined cause; VAD, vertebral artery dissection.Survival probability by recurrency among the 30-day survivors (n=9g70) of index stroke.Observation started at the time of index stroke in patients without recurrent · At the end of follow-up, 152 (15.7％) patients had died and 132 (13.6％) had experienced a recurrent stroke.· Recurrent stroke was statistically the most important risk factor for mortality after first-ever ischemic stroke · Observed mortality was 7-fold higher than the expected mortality and particularly high among patients who experienced a recurrent stroke.