Using consensus OPCRIT diagnoses

Abstract
Background: The Operational Criteria Checklist (OPCRIT) generates diagnoses according to 12 operational diagnostic systems (e. g. DSM–III, DSM–III–R, Research Diagnostic Criteria, ICD–10)Aims: To examine the agreement between diagnoses generated by the OPCRIT, as completed by the interviewer, with a best-estimate lifetime procedure using the OPCRIT.Method: Subjects came from large mufti-generational bipolar or schizophrenia pedigrees (n=100), and from a sample of unrelated subjects with schizophrenia (n=40). We analysed the diagnostic agreement between OPCRIT diagnoses generated by the interviewer and our best-estimate OPCRIT diagnoses, according to DSM–III–R and ICD–10, using Cohen kappa statistics.Results: Excellent agreement was found between interviewer OPCRIT diagnoses and OPCRIT diagnoses made by the best-estimate lifetime consensus procedure for DSM–III–R (κ=0.83) and ICD-10 (κ=0.81)Conclusions: Results suggest that this procedure for diagnostic assessment is an efficient alternative to classic best-estimate diagnosis procedures.

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