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Ipsilateral Amaurosis |
17% |
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Hemispheric TIA |
44% |
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Stenosis 70-79% |
12% |
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Stenosis 80% to 89% |
18% |
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Stenosis 90 to 99% |
26% |
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More than 5 medical comorbid conditions |
17% |
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More than 6 medical comorbid conditions |
23% |
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More than 7 medical comorbid conditions |
39% |
Table 4. NASCET Risk factors identified at enrollment into the study and associated with increased incidence of late stroke a 2 years of follow-up with medical management. The comparative surgical late risk was 1.6% over 2 years and did not change over time or by risk factor association.
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