Desarrollo de una versión breve de la PTSD Checklist (PCL) basada en la definición de trastorno de estrés postraumático de la CIE-11
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2021
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Reguera, Belén
Altungy, Pedro
Navarro, Roberto
Fausor de Castro, Rocío
García Vera, María Paz
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Sociedad Española para el Estudio de la Ansiedad y el Estrés (SEAS)
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Abstract
Introducción y objetivos: El objetivo principal del presente estudio fue desarrollar, a partir de la Lista de Verificación del Trastorno de Estrés Postraumático (PCL), una medida de autoinforme de la sintomatología de estrés postraumático basada en los criterios sintomáticos de la CIE-11 para el trastorno de estrés postraumático (TEPT). Material y métodos: Se seleccionaron siete ítems de la PCL para formar la PCL-CIE-11 y se analizaron sus propiedades psicométricas en una muestra de 634 víctimas del terrorismo a las que se aplicó la versión específica de la PCL (PCL-S) junto con una entrevista diagnóstica estructurada y medidas de depresión y ansiedad. Resultados: La PCL-CIE-11 muestra una estructura unifactorial con buenos índices de ajuste que se replica en dos submuestras de víctimas creadas aleatoriamente a partir de la muestra global, y presenta índices excelentes o muy buenos de consistencia interna (α > .85) y de validez diagnóstica para identificar el TEPT (AUC > .90 y kappa ≥ .75). La escala también discrimina significativamente y con tamaños del efecto grandes (d = 0.88 – 2.32) entre víctimas con TEPT, víctimas con trastornos depresivos o de ansiedad y víctimas sin trastornos, presenta correlaciones significativas y grandes con medidas de depresión y ansiedad, dos constructos con los que el TEPT guarda una estrecha relación, y muestra una correlación muy elevada, de .95, con la PCL-S completa. Conclusiones: La PCL-CIE-11 es una versión breve de la PCL-S que presenta buenas propiedades psicométricas y puede ser útil para evaluar la presencia y gravedad de la sintomatología del TEPT tanto desde la perspectiva del DSM como de la CIE-11.
Introduction and objectives: The main objective of the present study was to develop, from the PTSD Checklist (PCL), a self-report measure of posttraumatic stress symptoms based on the ICD-11 symptomatic criteria for posttraumatic stress disorder (PTSD). Material and methods: Seven PCL items were selected to develop the PCL-ICD-11, and its psychometric properties were analyzed in a sample of 634 victims of terrorism who completed the specific version of the PCL (PCL-S) along with a structured diagnostic interview and measures of depression and anxiety. Results: The results indicate that the PCL-ICD-11 shows a unifactorial structure with good fit indices that is replicated in two subsamples of victims created randomly from the global sample. The PCL-ICD-11 shows excellent indices of internal consistency (α > .85) and very good indices of diagnostic validity to identify PTSD (AUC > .90 and kappa ≥ .75), discriminates significantly and with large effect sizes (d = 0.88– 2.32) between victims with PTSD, victims with depressive or anxiety disorders and victims without disorders, presents significant and large correlations with measures of depression and anxiety, two constructs with which PTSD it is closely related, and shows a very high correlation of .95 with the complete PCL-S. Conclusions: The PCL-ICD-11 is a short version of the PCL-S that has good psychometric properties and can be useful to assess the presence and severity of PTSD symptoms from both the DSM and ICD-11 perspectives.
Introduction and objectives: The main objective of the present study was to develop, from the PTSD Checklist (PCL), a self-report measure of posttraumatic stress symptoms based on the ICD-11 symptomatic criteria for posttraumatic stress disorder (PTSD). Material and methods: Seven PCL items were selected to develop the PCL-ICD-11, and its psychometric properties were analyzed in a sample of 634 victims of terrorism who completed the specific version of the PCL (PCL-S) along with a structured diagnostic interview and measures of depression and anxiety. Results: The results indicate that the PCL-ICD-11 shows a unifactorial structure with good fit indices that is replicated in two subsamples of victims created randomly from the global sample. The PCL-ICD-11 shows excellent indices of internal consistency (α > .85) and very good indices of diagnostic validity to identify PTSD (AUC > .90 and kappa ≥ .75), discriminates significantly and with large effect sizes (d = 0.88– 2.32) between victims with PTSD, victims with depressive or anxiety disorders and victims without disorders, presents significant and large correlations with measures of depression and anxiety, two constructs with which PTSD it is closely related, and shows a very high correlation of .95 with the complete PCL-S. Conclusions: The PCL-ICD-11 is a short version of the PCL-S that has good psychometric properties and can be useful to assess the presence and severity of PTSD symptoms from both the DSM and ICD-11 perspectives.