Bruikbaarheid en validiteit van de Nederlandse versie van de Montreal Cognitive Assessment (MoCA-D) bij het diagnosticeren van Mild Cognitive Impairment
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Number of pages
SourceTijdschrift voor Gerontologie en Geriatrie, 41, 6, (2010), pp. 231-240
Article / Letter to editor
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SW OZ DCC NRP
Tijdschrift voor Gerontologie en Geriatrie
SubjectDI-BCB_DCC_Theme 3: Plasticity and Memory; NCEBP 11: Alzheimer Centre; Neuropsychology and rehabilitation psychology; Neuro- en revalidatiepsychologie
OBJECTIVE: The MoCA is a new screening test to detect Mild Cognitive Impairment (MCI). Purpose of this study is validating the Dutch version (MoCA-D). METHOD: We administered the MoCA-D to healthy control subjects and to elderly with MCI or dementia from a memory disorder outpatient clinic and a geriatric (outpatient) clinic (n = 30, 32, 37 respectively, age > or = 60). Neuropsychological testing was part of the standard procedure for patients to diagnose MCI. Sensitivity, specificity and predictive values (positive: PPV and negative: NPV) of the MoCA-D were assessed. RESULTS: A significant effect of group was found on MoCA-D total score (F (2.95) =67.9; p < 0.01). With a cutoff score of < or = 25, sensitivity and specificity to detect MCI in relation to healthy controls were 72% and 73%, respectively. PPV and NPV were 84% and 56%, respectively. With a cut-off score of < or = 20, sensitivity to detect dementia in relation to MCI was 100% for severe dementia and 75% for mild dementia. Specificity for dementia was 81%, PPV 94% and NPV 55%. CONCLUSION: The MoCA-D distinguishes between healthy elderly, MCI patients and dementia patients. However, in this study, insufficient sensitivity and poor specificity were found. For the present, applying a broader and flexible screening procedure in order to detect MCI seems a more useful method than the interpretation of one test result in particular.
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