한국어판 정신분열병의 캘거리 우울증 척도의 신뢰도 및 타당도 연구

• 영문명: A Study on the Reliability and Validity of the Korean Version of the Calgary Depression Scale for Schizophrenia(K-CDSS)
• 발행기관: 대한신경정신의학회
• 저자명: 김용구 원성두 이경민 최현석 장홍석 이분희 한창수
• 간행물 정보: 『신경정신의학』제44권 제4호, 446~455쪽, 전체 10쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2005.07.30

영문 초록

Objectives：This study was performed to standardize the Korean Version of Calgary Depression Scale for Schizophrenia (K-CDSS), a semi-structured interview scale to assess depression in schizophrenia patients and to determine the psychometric properties and clinical utility of the K-CDSS. Methods：Sixty-one patients diagnosed as schizophrenia by DSM-IV criteria were recruited in this study. Then, the patientswere interviewed using the Structure Clinical Interview for DSM-IV (SCID) by a trained psychologist. Subsequently, the KCDSS, Positive and Negative Syndrome Scale (PANSS), Hamilton Depression Rating Scale (HDRS), Montgomery-Åsberg Depression Rating Scale (MADRS) and Simpson Angus Rating Scale (SAS) were administered by a psychiatrist. Lastly, the K-CDSS was re-assessed by a second independent rater without any previous information of patients to confirm the inter-rater reliability. Results：The internal consistency using Cronbach’s α was 0.852. Inter-rater reliability using Intraclass Correlation Coefficient (ICC) for single items and for sum score were 0.659-0.889 and 0.963, respectively. K-CDSS was assessed by a second Factor analysis and ROC (receiver operating characteristic) curve analysis were conducted . The factor analysis revealed a single factor that accounted for 53.7% of the total variance, suggesting that the uni-dimensional structure of the K-CDSS may be retained. In addition, K-CDSS showed a good convergent validity with very strong correlations with HDRS (r=0.75) and MADRS (r=0.81), respectively. However, K-CDSS was not correlated with PANSS-positive, PANSS-negative and SAS, demonstrating its satisfactory discriminant validity. The area under the ROC curve was 0.968 (standard error=0.036, p<.001). With a cut-off point of 8, the K-CDSS had a sensitivity 83.3%, specificity 97.9%, positive predictive value 90.9% and negative predictive value 95.8%. Conclusion：K-CDSS is considered as a short and valid tool to identify depressive symptoms in schizophrenia

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REFERENCES

키워드

Depression Schizophrenia CDSS K-CDSS Standardization