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Articles by R. M Lane
Total Records ( 1 ) for R. M Lane
  P. D Harvey , S. H Ferris , J. L Cummings , K. A Wesnes , C Hsu , R. M Lane and S. Tekin
 

Disease-specific assessments are not currently available for patients with Parkinson’s disease dementia (PDD). This study evaluated the criterion-related validity and test—retest reliability of the Alzheimer’s Disease Assessment scale cognitive subscale (ADAS-cog) in terms of sensitivity for differentiation between mild and moderate severity impairment in PDD. Six other dementia rating scales and cognitive tests were also examined. A total of 113 patients with PDD or Alzheimer disease were recruited into this 4-week, multicenter study, segregated into 2 severity groups based on Mini-Mental State Examination (MMSE) score. Mean ADAS-cog scores showed a statistically significant separation between mild and moderate severity patients in both dementias (P < .001). For the ADAS-cog, test—retest Spearman correlation coefficients were significant for each dementia type and severity. This study demonstrated the criterion-related validity and test—retest reliability for ADAS-cog in patients with PDD and strong correlations with MMSE. This supports the validity of previous results obtained with these measures in studies of patients with PDD.

 
 
 
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