1990
DOI: 10.1017/s1041610290000382
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Factor Analysis and Preliminary Validation of the Mini-Mental State Examination from a Longitudinal Perspective

Abstract: The Mini-Mental State Examination (MMSE) is a commonly used instrument for assessing mental impairment. Previous proposals for its underlying structure have focused on scores obtained from a single administration of the test. Because the MMSE is widely used in longitudinal studies, we examined the pattern of relations among the rates of chance of the items. Data were obtained from 63 subjects for 1.5 years or more. The relations among the rates of change of the MMSE items were described by a five-factor soluti… Show more

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Cited by 49 publications
(71 citation statements)
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“…Second, memory loss is the most important consideration for the diagnosis of AD and for the determination of CDR. The present finding of a lack of extensive further deterioration in short-term memory with dementia progression has also been found in previous studies from the analysis of MMSE item scores [17, 18]. …”
Section: Discussionsupporting
confidence: 91%
“…Second, memory loss is the most important consideration for the diagnosis of AD and for the determination of CDR. The present finding of a lack of extensive further deterioration in short-term memory with dementia progression has also been found in previous studies from the analysis of MMSE item scores [17, 18]. …”
Section: Discussionsupporting
confidence: 91%
“…In choosing the 3-monih interval, \vc took into account the rate of cognitive decline occurring after I year in subjects with the diagnosis of proba ble dementia of Alzheimer type, namely an average o f 3.5 points on the MMSE [31], 12.3 points on the Cognition score drawn from the full-CAMDEX [32] and 2.6 points on the Blessed Information Mem ory Concentration Test [33], We assumed that at the 3-month follow up the variations in the scores due to natural cognitive decline would have been proportional to the elapsed time and thus quantitatively small (whereas after 12 months they should match the normative variations). If this small variability is confirmed by our study, we could argue that the short-and full-CAMDEX are psychometrically equivalent.…”
Section: Experimental Designmentioning
confidence: 99%
“…To determine the underlying structure of the severity measures, efforts have been made to factor analyze the performance by AD patients [25,[52][53][54][55], but these factors cannot be referred back to any independent standard. No study has yet solved the problem of clinically quantitating dementia by mapping symptom severity in living patients to a universal underlying parameter using a mathematical function.…”
Section: Introductionmentioning
confidence: 99%