This preliminary evaluation indicated that a simple questionnaire, which was independent of educational and cultural background, would give a useful quantitative assessment of intellectual impairment in elderly hospitalized patients; and certain features of the population studied could be characterized in terms of test performance. The test has been incorporated in a short battery which is yielding information on such matters as the relation between mental impairment of geriatric patients and their survival in hospital.
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Isaacs et al. (1963) studied this question.