| 한국어판 하세가와 치매척도 개정본의 신뢰도 및 타당도의 평가 |
| 양동원, 김범생 심동석 정성우 이광수 한설희 김상윤 정슬기 |
| 가톨릭대학교 의과대학 신경과학교실, 충북대학교 의과대학 신경과학교실*,
서울대학교 의과대학 신경과학교실†, 서남대학교 의과대학 신경과학교실‡ |
| Reliability and Validity of the Korean Version of Revised form of Hasegawa Dementia Scale (K-HDS) |
| Dong Won Yang |
| Department of Neurology, Catholic University of Korea College of Medicine, Seoul;
Department of Neurology, Chungbuk National University College of Medicine*, Cheongju;
Department of Neurology, Seoul National University College of Medicine†, Seoul;
Department of Neurology, Seonam University School of Medicine‡, Namwon, Korea |
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| Abstract |
Background: The revised version of the Hasegawa Dementia Scale (HDS-R) is a useful dementia screening tool with a test for frontal lobe function and is relatively less influenced by education level and linguistic ability. We developed a Korean version of HDS-R (K-HDS) by translating the HDS-R to screen dementia patients in the Korean elderly.
Methods: The basic structure of the HDS-R was preserved but some questions were modified for lingual and cultural difference. It was administrated along with the Korean version of the MMSE, Korean Dementia Screening Questionnaire, Short form Samsung Dementia Questionnaire and Clinical Dementia Rating (CDR) scales, to 151 patients (55 Alzheimer's disease, 73 vascular dementia, 23 others) with mild to moderate dementia and to 225 elderly control subjects. To screen dementia, the optimal cut-off score was estimated by receiver operating characteristic (ROC) curve analysis. By comparing the Area Under the Curve, the diagnostic efficiency of K-HDS was compared with that of K-MMSE.
Results: The K-HDS had good internal consistency (Crohnbach's alpha coefficient=0.66), inter-rater reliability (r=0.95), and test-retest reliability (r=0.92). K-HDS was well correlated with the K-MMSE (r=0.84) and CDR (r=-0.67), which confirms the validity of this test. The optimal cut-off score was different according to educational level. In patients with an educational level less than 10 years, the cut-off score was 20 with the sensitivity of 87.0% and the specificity of 83%. With an educational level of 10 years or more, the cut-off score was 22 with the sensitivity of 93.0% and the specificity of 89.6%. The overall diagnostic efficiency of K-HDS was superior to that of K-MMSE especially in patients with an educational level of less than 10 years.
Conclusions: The K-HDS is a reliable, valid and useful tool to screen dementia in the Korean elderlyKey Words: Dementia, Screening, K-HDS, K-MMSE, Validity, Reliability |
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