A comparison of familial and sporadic Alzheimer's disease

Abstract excerpt

Using a liberal criterion, a conservative probability-based criterion, and a criterion for autosomal dominant inheritance, we classified 36%, 13.5%, and 6.4% of 311 patients, respectively, as having familial Alzheimer's disease (FAD). The mean age of onset was over 70 years for all three categories of FAD. FAD and sporadic Alzheimer's disease (SAD) cases did not differ in clinical features, incidence of risk...

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