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Báo cáo y học: " A cross-sectional testing of The Iowa Personality Disorder Screen in a psychiatric outpatient setting"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: A cross-sectional testing of The Iowa Personality Disorder Screen in a psychiatric outpatient setting | Olsson et al. BMC Psychiatry 2011 11 105 http www.biomedcentral.com 1471-244X 11 105 BMC Psychiatry RESEARCH ARTICLE Open Access A cross-sectional testing of The Iowa Personality Disorder Screen in a psychiatric outpatient setting Ingrid Olsspn1 0ystein S0reb02 and Alv A Dahl3 Abstract Background Patients suspected of personality disorders PDs by general practitioners are frequently referred to psychiatric outpatient clinics POCs . In that setting an effective screening instrument for PDs would be helpful due to resource constraints. This study evaluates the properties of The Iowa Personality Disorder Screen IPDS as a screening instrument for PDs at a POC. Methods In a cross-sectional design 145 patients filled in the IPDS and were examined with the SCID-II interview as reference. Various case-findings properties were tested interference of socio-demographic and other psychopathology were investigated by logistic regression and relationships of the IPDS and the concept of PDs were studied by a latent variable path analysis. Results We found that socio-demographic and psychopathological factors hardly disturbed the IPDS as screening instrument. With a cut-off 4 the 11 items IPDS version had sensitivity 0.77 and specificity 0.71. A brief 5 items version showed sensitivity 0.82 and specificity 0.74 with cut-off 2. With exception for one item the IPDS variables loaded adequately on their respective first order variables and the five first order variables loaded in general adequately on their second order variable. Conclusion Our results support the IPDS as a useful screening instrument for PDs present or absent in the POC setting. Keywords Personality disorders Screening instrument Iowa Personality Disorder Screen Psychometrics Background Several studies have indicated that the prevalence of personality disorders PDs is high in the setting of psychiatric outpatient clinics POCs . From the United States Zimmerman reported a prevalence of 50 1 while 80 was found by Alnus