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In addition to a previously reported risk reduction for ipsilateral stroke for patients assigned to carotid endarterectomy,there was an absolute risk reduction(and relative risk reduction(RRR))for functional status impairment of 5.6%(RRR,69%)for vision,4.6%(RRR,87%)for comprehension of language,8.3%(RRR,88%)for fluency of speech,4.3%(RRR,84%)for swallowing,6. 0%(RRR,53%)for lower-limb function,9.3%(RRR,75%)for upper-limb function,7. 4%(RRR,60%)for shopping,and 10.5%(RRR,50%)for visiting outside usual residence(P<.05,two-tailed,for all items).Carotid endarterectomy reduced the risk for impairment of function among patients with recent symptomatic cerebral ischemia and ipsilateral high-grade carotid stenosis. |
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