A preliminary study of scoring system of clock drawing test
10.3760/cma.j.issn.1671-8925.2015.10.015
- VernacularTitle:画钟测验的评分条目组成分析
- Author:
Fang LI
1
;
Qing ZHANG
;
Hejin LIU
;
Lijun WANG
;
Xiaoxia ZHOU
;
Xinhuan ZHANG
Author Information
1. 首都医科大学附属复兴医院干部保健科
- Keywords:
Clock drawing test;
Cognitive impairment;
Scoring system
- From:
Chinese Journal of Neuromedicine
2015;14(10):1047-1050
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the knowledge and recognition of middle aged and elderly cognitive normal people in clock drawing test (CDT) and determine the items of CDT.Methods Two hundred and sixty four middle aged and elderly cognitive normal people from community were involved in the cross-sectional study.The questionnaire was comprised of 26 items scoring in CDT in literature.Each item was rated by subjects as complete agreement, partial agreement or disagreement.Pearson correlation analysis was used to analyze the related items of age and education degree.Results There were 5 items significantly related with age and education.Twelve items enjoyed complete agreement of more than 50％ and disagreement lower than 20％.The new scoring system was composed of 12 items, including the 12 complete agreement items excepted one which was significantly related to age and education, and one item that was proved to be sensitive to cognitive impairment.Conclusion The new scoring system with 12 items for CDT may be suitable in screening cognitive impairment with high identity, and further investigation about the validity and reliability should be conducted.
