Journal of Preventive Medicine and Public Health

  • 제36권2호
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  • Pages.101-107
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  • 2003
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  • 1975-8375(pISSN)
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  • 2233-4521(eISSN)
대한예방의학회 (The Korean Society for Preventive Medicine)
권호 표지

노인에서 치매 조기선별을 위한 시각.금전계산 검사의 유용성

Availability of the Time and Change Test in Screening for Dementia in the Elderly

  • 정은경 (전남대학교 의과대학 예방의학교실 및 의과학 연구소) ;
  • 신민호 (서남대학교 의과대학 예방의학교실) ;
  • 이정애 (전남대학교 의과대학 예방의학교실 및 의과학 연구소)
  • Chung, Eun-Kyung (Department of Preventive Medicine of Medical School and Research Institute of Medical Science) ;
  • Shin, Min-Ho (Department of Preventive Medicine, Seonam University College of Medicine) ;
  • Rhee, Jung-Ae (Department of Preventive Medicine of Medical School and Research Institute of Medical Science)
  • 발행 : 2003.06.01
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초록

Objectives : Dementia has emerged as a leading public health problem in elderly persons, and its early detection is important for the treatment of curable cases, and in the educational support for other family members. Although dementia screening tests are available, they have not gained widespread use in community or primary care settings. Our goal was to validate the Tine and Change (T&C) Test, -including its validity and reliability in patients, and to assess it as a simple, standardized method for the screening of dementia in the rural elderly. Methods : The participants in this study comprised of 59 patients from an urban hospital and 405 persons from a rural community aged 65 years or older. The time test evaluated the understanding of clock hands indicating 11:10, and the change test the ability to make 1,000 Won from a group of coins, consisting of one 500, seven 100, and seven 50 Won coins. The T&C ratings were validated against a reference standard based on the physician's diagnosis of the patients. The convergent validity in relation to other cognitive measure, test-retest agreement, and inter-observer reliability were assessed. To assess the relationship between the Korean Mini-Mental State Exam (K-MMSE) and the T&C Test, the mean K-MMSE scores were compared with the results of the T&C Test in the elderly from a rural community. Results The T&C Test had a sensitivity and specificity of 73.0, and 90.9%, and positive and negative predictive values of 93.1, and 66.7%, respectively. The test-retest and inter-observer agreement rates were both 95%. The K-MMSE scores and T&C Test were significantly related in the elderly from a rural community (p<0.01), The T&C Test was not influenced by the educational status. The Time and Change Tests took a mean of 6.3 and 12.7 seconds, respectively, to complete Conclusion : The T&C Test is a simple, accurate and reliable, performance-based tool in the screening for dementia. Because it is quick, and easy-to-use, it is hoped the T&C Test will be used for the widespread cognitive screening of aging populations.

키워드

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