1. Sensitivity and specificity of the extended scale for dementia.
- Author
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Lau C, Wands K, Merskey H, Boniferro M, Carriere L, Fox H, and Hachinski VC
- Subjects
- Aged, Aged, 80 and over, Education, Evaluation Studies as Topic, Female, Humans, Male, Socioeconomic Factors, Dementia psychology, Mental Status Schedule, Psychiatric Status Rating Scales
- Abstract
The Extended Scale for Dementia was introduced as a test for grading the intellectual function of patients with dementia. Its use in discriminating demented patients from nondemented control subjects has been explored. The test had a sensitivity of 93% and a specificity of 96% in patients over the age of 65 years, but the sensitivity fell to 75% in those younger than 65 years. The scale may be useful, particularly for patients over the age of 65 years, in helping to distinguish dementia from normality.
- Published
- 1988
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