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Korai mentális teszt: az enyhe kognitív zavar szűrőtesztjének fejlesztése = Early Mental Test: Developing a Screening Test for Mild Cognitive Impairment

Kálmán, János and Pákáski, Magdolna and Hoffmann, Ildikó and Drótos, Gergely and Darvas, G. and Boda, Krisztina and Bencsik, Tamás and Gyimesi, Alíz and Gulyás, Zsófia and Bálint, Magdolna and Szatlóczki, Gréta and Papp, Edina (2013) Korai mentális teszt: az enyhe kognitív zavar szűrőtesztjének fejlesztése = Early Mental Test: Developing a Screening Test for Mild Cognitive Impairment. IDEGGYOGYASZATI SZEMLE-CLINICAL NEUROSCIENCE, 66 (1-2). pp. 43-52. ISSN 0019-1442

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Abstract

BACKGROUND AND PURPOSE: Mild cognitive impairment (MCI) is a heterogenous syndrome considered as a prodromal state of dementia with clinical importance in the early detection of Alzheimer's Disease. We are currently developing an MCI screening instrument, the Early Mental Test (EMT) suitable to the needs of primary care physicians. The present study describes the validation process of the 6.2 version of the test. METHODS: Only subjects (n = 132, female 95, male 37) over the age of 55 (mean age 69.2 years (SD = 6.59)) scoring at least 20 points on Mini-Mental State Examination (MMSE), mean education 11.17 years (SD = 3.86) were included in the study. The psychometric evaluation consisted of Alzheimer's Disease Assessment Scale Cognitive subscale (ADAS-Cog) and the 6.2 version of EMT. The statistical analyses were carried out using the 17.00 version of SPSS statistical package. RESULTS: The optimalised cut-off point was found to be 3.45 points with corresponding 69% sensitivity, 69% specificity and 69% accuracy measures. The Cronbach-alpha, that describes the internal consistence of the test was 0.667, which is higher as compared with the same category in the case of the ADAS-Cog (0.446). A weak negative rank correlation was found between the total score of EMT 6.2 and the age of probands (rs = -0.25, p = 0.003). Similarly, only a weak correlation was found between the education levels and the total score of EMT 6.2 (rs = 0.31, p < 0.001). Two of the subtests, the repeated delayed short-time memory and the letter fluency test with a motorical distraction task had significantly better power to separate MCI and control groups than the other subtests of the EMT. CONCLUSION: The 6.2 version of EMT is a fast and simple detector of MCI with a similar sensitivity-specificity profile to the MMSE, but this version of the test definitely needs further development.

Item Type: Article
Uncontrolled Keywords: Sensitivity and Specificity; ROC Curve; Psychometrics; Neuropsychological tests; Mild Cognitive Impairment/*diagnosis/*psychology; Male; Intelligence Tests; Humans; Female; Educational Status; Depression/psychology; Dementia/*diagnosis/*psychology; Cognition Disorders/diagnosis/psychology; Analysis of Variance; Alzheimer Disease/diagnosis/psychology; Aged
Subjects: R Medicine / orvostudomány > RC Internal medicine / belgyógyászat > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry / idegkórtan, neurológia, pszichiátria
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 25 Sep 2015 09:48
Last Modified: 25 Sep 2015 09:58
URI: http://real.mtak.hu/id/eprint/27702

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