한국판 정신장애 진단선별질문지의 표준화 연구 : 최적 절단점
Study on Standardization of Korean Version of Psychiatric Diagnostic Screening Questionnaire : The Optimal Cutoff Scores
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참고문헌
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초록
본 연구에서 산정한 절단점을 적용함으로써 K-PDSQ는대부분의 정신장애에서 80% 이상의 민감도와 70% 이상의특이도를 반영하여 놓치기 쉬운 진단을 선별해낼 수 있고, 진단적 효용성이 기대된다. 뿐만 아니라 바쁜 외래진료 환경에서 K-PDSQ를 적용하여 임상면담 이전에 초진환자에 대한진단적 평가와 공존질환을 파악하고 선별해내는 데 도움을줄 수 있을 것으로 기대된다.
Abstract
Objectives An exact diagnosis and comorbidity analysis are important in psychiatric disorders. The Psychiatric Diagnostic Screening Questionnaire (PDSQ) is both useful as a self-reporting test for screening psychiatric disorders and available for clinical settings due to its simplicity and convenience. This study, as a part of standardization of Korean version of Psychiatric Diagnostic Screening Questionnaire (K-PDSQ), evaluated optimal cutoff scores. Methods The samples were 696 patients in total, who were selected from the psychiatric departments of 3 university hospitals from March 2008 to August 2011. Diagnosing by Mini-International Neuropsychiatric Interview-Plus (MINI-Plus), we evaluated sensitivity, specificity, cutoff scores, ROC curve, and area under the curve (AUC) of K-PDSQ. SPSS version 12.0 for Windows and MedCalc version 12.0 were used to analyze the results. Results With a cutoff score of 9 for major depressive disorder in K-PDSQ, both the sensitivity and specificity were 80%. The cutoff scores of PTSD, OCD, panic disorder, agoraphobia, psychosis, alcohol related problem, GAD, hypochondriasis, and social phobia of K-PDSQ were 5, 2, 4, 2, 1, 2, 5, 4, and 5, respectively. In most of the subscales, each AUC was above 0.75. Conclusion By applying the cutoff scores estimated above, we expect K-PDSQ to help provide diagnostic assessments and to grasp comorbidities before a clinical interview in the setting of busy outpatient clinics.
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