Integration of the ICD-11 and DSM-5 Dimensional Systems for Personality Disorders Into a Unified Taxonomy With Non-overlapping Traits
Gutiérrez, Fernando (Institut d'Investigacions Biomèdiques August Pi i Sunyer)
Peri i Nogués, Josep Maria (Universitat de Barcelona. Institut de Neurociències)
Gárriz, Miguel (Parc de Salut MAR de Barcelona)
Vall, Gemma (Institut de Recerca Biomèdica de Lleida)
Arqué, Estela (La Coma Therapeutic Community)
Ruiz, Laura (La Coma Therapeutic Community)
Condomines, Jaume (La Coma Therapeutic Community, ATRA Group)
Calvo, Natalia (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal)
Ferrer Vinardel, Marc (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal)
Sureda, Bárbara (Universitat de Barcelona. Institut de Neurociències)

Fecha:	2021
Resumen:	The promise of replacing the diagnostic categories of personality disorder with a better-grounded system has been only partially met. We still need to understand whether our main dimensional taxonomies, those of the International Classification of Diseases, 11th Revision (ICD-11) and the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), are the same or different, and elucidate whether a unified structure is possible. We also need truly independent pathological domains, as they have shown unacceptable overlap so far. To inquire into these points, the Personality Inventory for DSM-5 (PID-5) and the Personality Inventory for ICD-11 (PiCD) were administered to 677 outpatients. Disattenuated correlation coefficients between 0. 84 and 0. 93 revealed that both systems share four analogous traits: negative affectivity, detachment, dissociality/antagonism, and disinhibition. These traits proved scalar equivalence too, such that scores in the two questionnaires are roughly interchangeable. These four domains plus psychoticism formed a theoretically consistent and well-fitted five-factor structure, but they overlapped considerably, thereby reducing discriminant validity. Only after the extraction of a general personality disorder factor (g-PD) through bifactor analysis, we could attain a comprehensive model bearing mutually independent traits.
Ayudas:	Ministerio de Economía, Industria y Competitividad PI15/00536
Derechos:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Materia:	ICD-11 ; DSM-5 ; Personality disorders ; Discriminant validity ; General factor
Publicado en:	Frontiers in psychiatry, Vol. 12 (april 2021) , ISSN 1664-0640

DOI: 10.3389/fpsyt.2021.591934
PMID: 33889093

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