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The criterion validity of the Italian version of the Mini‐Mental State Examination was tested in a group (114) of elderly medically ill day patients. Specificity was rather disappointing (66.3%) at the conventional threshold (23/24), as well as positive predictive value (32.7%). A lower threshold (21/22) offered the best compromise between sensitivity (93.8%) and specificity (80.6%). ROC analysis evidenced a good overall performance of MMSE (area under the curve 0.938). In those subjects not affected by dementia, age, low education and depressive illness had a significant effect on MMSE scores.
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Turrina et al. (1993) studied this question.
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