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KMID : 0368820060450060518
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Journal of the Korean Neuropsychiatr Association
2006 Volume.45 No. 6 p.518 ~ p.526
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A Validation Study for the Korean Version of Delirium Rating Scale-Revised-98 (K-DRS-98)
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Lim Kyoung-Ok
Kim Soo-Young
Lee Yang-Hyun
Lee Sun-Woo
Kim Jeong-Lan
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Abstract
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Objective: This study was conducted to develop and to validate the Korean version of Delirium Rating Scale-Revised-98 (K-DRS-98), which is a scale for diagnosing delirium and evaluating its severity.
Methods: After developing the K-DRS-98, 102 patients were rated by it among 4 diagnostic groups, such as delirium (N=25), dementia (N=27), schizophrenia (N=25) and others (N=25). To test for reliability, K-DRS-98 was independently administered by two psychiatrist. To test for validity, Korean version of Mini-Mental State Examination (MMSE-K) and Clinical Global Impression (CGI) were administered simultaneously. Statistical analysis was done with SPSS window version 12 package and statistical significance was p<0.05.
Results: Internal consistencies (Cronbach alpha) of two raters were 0.867 and 0.858, respectively. Inter-rater reliability (kappa) was 0.893 for severity items of K-DRS-98 and kappa value of diagnosis items was 0.969. In Delirium group, Pearson correlation coefficients (gamma) of K-DRS-98 were -0.682 for MMSE-K and 0.667 for CGI. In comparison Delirium group with Others, ANOVA post hoc multiple comparison LSD was statistically significant (p<0.001). The cutoff score to diagnosis of delirium can be recommended 16 for severity items and 21.5 for total score, respectively.
Conclusion: The K-DRS-98 was showed good reliability and validity for the assessment of delirium. The K-DRS-98 is an easy and useful tool for diagnosing delirium and assessing its severity.
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KEYWORD
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K-DRS-98, Delirium, Reliability, Validity
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