Development of the Cognitive Test for Severe Dementia.

Abstract:

BACKGROUND/AIMS:Existing cognitive measures for moderate-to-severe dementia have shown floor effects and an inability to assess the remaining cognitive function, especially for profound dementia. METHODS:We constructed the Cognitive Test for Severe Dementia (CTSD), which consists of 13 items covering 7 cognitive domains, and examined its reliability and validity. RESULTS:Cronbach's α in severe dementia participants was 0.896. Interrater and test-retest reliability were 0.961 and 0.969, respectively. The CTSD showed a significant correlation with 3 other measures of cognitive function (Mini-Mental State Examination, Severe Cognitive Impairment Rating Scale, and Hasegawa Dementia Scale-Revised: r values = 0.870-0.922, p values <0.001). While the other measures showed floor effects, the CTSD did not. CONCLUSION:The CTSD was able to sensitively capture the remaining cognitive function in severe dementia patients when compared with other cognitive tests.

authors

Tanaka H,Nagata Y,Uematsu M,Takebayashi T,Hanada K,Inokawa M,Fukuhara K,Ogawa Y,Haga D,Kakegawa Y,Nishikawa T

doi

10.1159/000430089

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

94-106

issue

1-2

eissn

1420-8008

issn

1421-9824

pii

000430089

journal_volume

40

pub_type

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