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2020, Número 1

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Med Cutan Iber Lat Am 2020; 48 (1)


Evaluación de calidad de vida en pacientes con acné: validación de una escala de medición

Muvdi S, Moreno S, Rodríguez V, Charry L

Idioma: Español
Referencias bibliográficas: 37
Paginas: 29-40
Archivo PDF: 330.86 Kb.


RESUMEN

Introducción: En Colombia no existen instrumentos específicos validados para evaluar la calidad de vida con acné. Este estudio realizó validación lingüística al español y psicométrica de un instrumento para evaluar la calidad de vida con acné. Material y métodos: Validación psicométrica en pacientes con acné. La consistencia interna y la estabilidad en el tiempo se evaluaron con coeficientes a de Cronbach y correlación de Lin, mientras que la sensibilidad al cambio fue calculada con respuesta media estandarizada (SMR) y la evidencia relacionada con contenido con el método Delphi. Análisis factorial para evaluar evidencia relacionada con estructura interna. La evidencia de validez de constructo se evaluó con prueba de Kruskal Wallis o correlación de Spearman. Resultados: La consistencia interna es adecuada (a Cronbach 0.74-0.90); la estabilidad moderada (la correlación de Lin fue de 0.67-0.72). La sensibilidad al cambio satisfactoria (SMR 0.61-0.90) y los resultados de asociaciones con otras variables constituyen evidencia de validez de constructo. El análisis factorial confirmatorio permite concluir que la estructura de cuatro dominios no se mantiene en esta versión y el análisis factorial exploratorio de factores principales propone una estructura de tres factores. Conclusiones: La versión en español de la escala Acne-QoL se considera equivalente conceptual y semánticamente a la versión original, demuestra adecuadas propiedades psicométricas, pero puede beneficiarse de modificaciones.


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