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Validity of the Mattis Dementia Rating Scale to detect mild cognitive impairment in Parkinson’s disease and REM sleep behavior disorder


Villeneuve, Sylvia, Rodrigues-Brazète, Jessica, Joncas, Steve, Postuma, Ronald B., Latreille, Véronique, Gagnon, Jean-François


Dementia And Geriatric Cognitive Disorders, Volume: 31, No.: 3, Pages.: 210-217

Year of Publication



Background/aims: Mild cognitive impairment (MCI) is frequent in Parkinson’s disease (PD) and idiopathic REM sleep behavior disorder (iRBD). However, only a few studies have evaluated the validity of brief cognitive measures to detect MCI in PD or iRBD using standard diagnostic criteria for MCI. Our aim was to evaluate the validity of the Mini-Mental State Examination (MMSE) and the Mattis Dementia Rating Scale (DRS-2) to detect MCI in PD and iRBD.; Methods: Forty PD patients and 34 iRBD patients were studied. Receiver operating characteristic curves were created for both tests to assess their effectiveness in identifying MCI in PD and iRBD.; Results: In PD, a normality cutoff of 138 on the DRS-2 yielded the best balance between sensitivity (72%) and specificity (86%) with a correct classification of 80%. In iRBD, the optimal normality cutoff was 141 on the DRS-2, with a sensitivity of 90%, a specificity of 71% and a correct classification of 82%. No cutoff for the MMSE was found to have acceptable sensitivity or specificity.; Conclusion: The DRS-2 has satisfactory validity to detect MCI in PD or iRBD. The MMSE proved to be invalid as a screening test for MCI in both populations.; Copyright © 2011 S. Karger AG, Basel.

Bibtex Citation

@article{Villeneuve_2011, doi = {10.1159/000326212}, url = {}, year = 2011, publisher = {S. Karger {AG}}, volume = {31}, number = {3}, pages = {210--217}, author = {Sylvia Villeneuve and Jessica Rodrigues-Braz{`{e}}te and Steve Joncas and Ronald B. Postuma and V{'{e}}ronique Latreille and Jean-Fran{c{c}}ois Gagnon}, title = {Validity of the Mattis Dementia Rating Scale to Detect Mild Cognitive Impairment in Parkinson's Disease and {REM} Sleep Behavior Disorder}, journal = {Dementia and Geriatric Cognitive Disorders} }


aged, cognition disorders, complications, diagnosis, female, humans, male, middle aged, parkinson disease, psychiatric status rating scales, rem sleep parasomnias, roc curve, sensitivity and specificity

Countries of Study


Types of Dementia

Mild Cognitive Impairment (MCI)

Types of Study

Case Control Study

Type of Interventions

Diagnostic Target Identification

Diagnostic Targets

Cognition testing (inc. task driven tests such as clock drawing)