Crecimiento postraumático en pacientes oncológicos
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Abstract
El objetivo de este estudio es averiguar las propiedades
psicométricas de la adaptación española del Inventario de
Crecimiento Postraumático (PTGI) en una muestra de pacientes
oncológicos ambulatorios (N= 130). El cuestionario permite
valorar los cambios positivos que pueden percibirse tras un
acontecimiento traumático como es el diagnostico o tratamiento
de una enfermedad onco/ógica. Aplicamos un análisis factorial
de componentes principales seguido de un análisis con el modelo
de ecuaciones estructurales para contrastar la estructura
factorial. Realizamos una comparación de medias y análisis
correlacional entre las puntuaciones del PTGI y caracferlsticas
socio demográficas o médicas.
Del análisis de componentes principales extraemos 4
factores que explican el 71 % de la varianza total, del modelo de
ecuaciones estructurales se corrobora la estructura
monofactorial del cuestionario (Xl= 57,53; p= 0,06) que da cuenta
del 54,47% de la varianza. No aparecen diferencias significativas
al comparar crecimiento postraumático con género, tratamiento
médico recibido y estadio de la enfermedad. Tampoco las correlaciones son significativas entre el PTGI y edad, tiempo
desde el diagnóstico o malestar emocional. El inventario de
crecimiento postraumático permite evaluar la percepción de
cambios positivos tras el diagnóstico o tratamiento de una
enfermedad onco/ógica, aunque en la muestra de este estudio
el cambio no se define según la dímensionalidad propuesta por
los autores del cuestionario.
The main aim of this study was to assess the psychometric properties of the Spanish Posttraumatic Growth Inventory (PTGI) in a sample of cancer outpatients (N= 130). The questionnaire attempts to evaluate the perceived positive changes fOllowing the diagnosis or treatment of cancer patients. We have used the factor analysis of principal components, and after it, an analysis with the structural equafions model fo contrast the factorial structure. Also, we did a descriptive and correlation analysis between the PTGI scores and then demographic and medical variables. Through the component principal analysis, we found 4 factors, that explain 71% ofthe total variance. With the confirmatory factor analysis, we have confirmed the monofactorial structure ofthe questionnaire (><2= 57,53; p= 0,06), that explain 54,47% of the total variance. We did not find any statistical difference in posttraumatic growth comparing gender, medical treatment and medical stage. Neither, we found any significant correlation between PTGI and age, time since the diagnosis or distress. The PTGI is a validated questionnaire to assess the perception of positive changes after the cancer diagnosis and treatment. However, in our study we found a difference dimensionality of the PTGI questionnaire, compared with the originalone.
The main aim of this study was to assess the psychometric properties of the Spanish Posttraumatic Growth Inventory (PTGI) in a sample of cancer outpatients (N= 130). The questionnaire attempts to evaluate the perceived positive changes fOllowing the diagnosis or treatment of cancer patients. We have used the factor analysis of principal components, and after it, an analysis with the structural equafions model fo contrast the factorial structure. Also, we did a descriptive and correlation analysis between the PTGI scores and then demographic and medical variables. Through the component principal analysis, we found 4 factors, that explain 71% ofthe total variance. With the confirmatory factor analysis, we have confirmed the monofactorial structure ofthe questionnaire (><2= 57,53; p= 0,06), that explain 54,47% of the total variance. We did not find any statistical difference in posttraumatic growth comparing gender, medical treatment and medical stage. Neither, we found any significant correlation between PTGI and age, time since the diagnosis or distress. The PTGI is a validated questionnaire to assess the perception of positive changes after the cancer diagnosis and treatment. However, in our study we found a difference dimensionality of the PTGI questionnaire, compared with the originalone.







