Detailed analysis of the Japanese version of the Rapid Dementia Screening Test, revised version

Yasushi Moriyama, Aihide Yoshino, Taro Muramatsu, Masaru Mimura

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Aim: The number-transcoding task on the Japanese version of the Rapid Dementia Screening Test (RDST-J) requires mutual conversion between Arabic and Chinese numerals (209 to, 4054 to 681, to 2027). In this task, question and answer styles of Chinese numerals are written horizontally. We investigated the impact of changing the task so that Chinese numerals are written vertically. Methods: Subjects were 211 patients with very mild to severe Alzheimer's disease and 42 normal controls. Mini-Mental State Examination scores ranged from 26 to 12, and Clinical Dementia Rating scores ranged from 0.5 to 3. Results: Scores of all four subtasks of the transcoding task significantly improved in the revised version compared with the original version. The sensitivity and specificity of total scores ≥9 on the RDST-J original and revised versions for discriminating between controls and subjects with Clinical Dementia Rating scores of 0.5 were 63.8% and 76.6% on the original and 60.1% and 85.8% on revised version. Conclusions: The revised RDST-J total score had low sensitivity and high specificity compared with the original RDST-J for discriminating subjects with Clinical Dementia Rating scores of 0.5 from controls.

本文言語English
ジャーナルPsychogeriatrics
DOI
出版ステータスAccepted/In press - 2017

ASJC Scopus subject areas

  • Gerontology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health

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