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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한생물치료정신의학회 생물치료정신의학 생물치료정신의학 제9권 제2호
발행연도
2003.12
수록면
181 - 190 (10page)

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Objectives : Delirium is a highly prevalent disease that occurs in about 15-20% of all general admissions to hospital, but there is no standardized rating scale that identifies and assesses the symptom severity for delirium in Korea. The Delirium Rating Scale(DRS) is a widely used delirium rating instrument that specifically, sensitively, and reliably measures delirium symptoms. This study addresses the reliability and validity of Korean version of Delirium Rating Scale(K-DRS) in Korea.
Methods : 28 patients with delirium, 28 patients with dementia, 27 patients with schizophrenia, and 21 patients with other mental disorder by DSM -Ⅳ entered this study. All patients received a structured psychopathology assessment, including K-DRS, Korean version of Mini-Mental Status Examination(MMSE-K), Clinical Global Impression scale (CGI) and in addition, schizophrenia group had done Brief Psychiatric Rating Scale (BPRS). Each instrument scores were compared among the four diagnostic groups by one-way analysis of variance, with post hoc comparisons to determine where the difference lie. K-DRS scores were compared with 'after usual treatment' scores in a subset of delirious subjects. Cutoff scores for K-DRS were determined by using receiver-operator characteristic(ROC) analyses to determine acceptable levels of sensitivity and specificity. Inter-subtest Pearson's correlations, Cronbach's alpha coefficient to assess internal consistency, and inter-rater reliability were used for the assessment of reliability of K-DRS.
Results : The mean K-DRS score was significantly higher in the delirium group compared with each of the other groups. But mean MMSE-K score was not significantly different between delirium and dementia group. Area under curve of K-DRS was 0.998(S.E=0.002) and its optimal cutoff point for delirium was estimated as 16.5. K-DRS score after usual treatment improved from a mean(S.D) of 23.5(3.2) to 3.1(1.7), indicating an ability to measure the severity of delirium. K-DRS was found to have significantly high internal consistency(Cronbach' s alpha coefficient=0 88), inter-rater reliability(r=0.98, p<0.0001).
Conclusion : We confirmed that K-DRS is a reliable, valid. and useful diagnostic instrument for delirium.

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UCI(KEPA) : I410-ECN-0101-2009-513-017219331