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We reviewed demographic data on patients having 2,256 carotid endarterectomies in eight large hospitals in North Carolina to determine the frequency of blacks among these patients.Blacks comprised only 4.6%of the patients having carotid endarterectomy even though they comprised 26% of all patients discharged and 22%of the general population of the state. Data from the National Inpatient Profile of the Commission on Professional and Hospital Activities,which represents patients discharged from short- term,nonfederal hospitals throughout the United States,show that nationwide,blacks comprise only 2.7%of the patients having carotid endarterectomy,whereas they comprise 12.0%of all patients discharged,12.1% of the general population and 10.7%of patients discharged following Class I surgical procedures.Blacks have only 67 carotid endarterectomies per 100,000 patients discharged;this rate is five or more times higher in whites.Among black patients having carotid endarterectomy,women predominate,whereas men predominate among white patients having carotid endarterectomy(p=0.006).The underrepresentation of blacks among patients having carotid endarterectomy lends support to the concept that carotid vascular disease in blacks is distributed intracranially rather than extracranially as opposed to the extracranial rather than intracranial distribution in whites. |
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