May 26, 2012

Screening for DSM-IV-TR cognitive disorder NOS in Parkinson's disease using the Mattis Dementia Rating Scale

International Journal of Geriatric Psychiatry
Gregory M PontoneSusan Spear Bassett


This study explores the utility of the Mattis Dementia Rating Scale (MDRS) as a screening tool for the Diagnostic and Statistical Manual for Mental Disorders 4th edition (DSM-IV-TR) diagnosis cognitive disorder not otherwise specified (NOS) in Parkinson's disease (PD). A total of 125 individuals with PD were diagnosed using DSM-IV-TR criteria for cognitive disorder NOS and dementia. Receiver operating characteristics (ROC) tested the discriminant validity of the MDRS, with the clinician's diagnosis serving as the gold standard. The MDRS ROC curve to discriminate subjects with cognitive disorder NOS from non-demented subjects had an area under the curve of 0.59 (standard error = 0.08, 95% CI: 0.43-0.74). The MDRS is not effective for identifying PD patients with cognitive disorder NOS without dementia.

  • References6
  • Citations2


Mentioned in this Paper

Memory for Designs Test
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Clinical Dementia Rating Scale
Mental Disorders
Cognition Disorders
Parkinson Disease
Factor Construct Rating Scales (Fcrs)
Parkinson's Disease Pathway

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