Validación para utilización en Colombia de la escala EORTC QLQ C-30 para evaluación de la calidad de vida de los pacientes con cáncer

  • Ricardo Sánchez Pedraza Instituto Nacional de Cancerología, Bogotá D. C., Colombia - Instituto de Investigaciones Clínicas, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá D. C., Colombia
  • Adriana Valderamar Instituto Nacional de Cancerología, Bogotá D. C., Colombia
Palabras clave: Calidad de vida, Neoplasia, Estudios de Validación, Confiabilidad, Validez

Resumen

Objetivo: Validar la versión colombiana de la escala EORTC QLQC-30 para medir calidad de vida en pacientes con diagnóstico de cáncer en Colombia.

Métodos: La validez de la escala se determinó usando métodos de análisis factorial  exploratorio y confirmatorio. Adicionalmente, para medir la validez de criterio concurrente se utilizaron análisis de correlación entre dominios de las escalas EORTC QLQC-30 y FACIT-G. Para evaluar la confiabilidad se efectuaron análisis de consistencia interna (se usaron coeficientes Alfa de Cronbach, Omega de McDonald y GLB), así como análisis de medidas repetidas (confiabilidad test-retest).

Resultados: En el estudio se incluyó un total de 486 pacientes ubicados en el Instituto Nacional de Cancerología en Colombia. Tanto el modelo estándar de 14 dominios como una solución empírica con cinco dominios (Físico, Psicológico, Debilidad, Socioeconómico y Puntaje Global) demostraron tener una adecuada representatividad del constructo. La correlación entre dominios del EORTC QLQC-30 y del FACT-G mostró valores bajos en el dominio relacionado con funcionamiento social. La correlación entre medidas repetidas tuvo valores de correlación-concordancia entre 0,51 y 0,8; los límites de acuerdo de Bland y Altman estuvieron entre -38 y 43 alrededor de un valor esperado de cero. Los valores de Alfa de Cronbach, GLB y Omega de McDonald tuvieron valores de 0,94 – 0,96 y 0,93 respectivamente.

Conclusión: La escala EORTC QLQC-30 es un instrumento válido y confiable para medir calidad de vida en pacientes con cáncer en Colombia.

Palabras clave: Calidad de vida. Neoplasia. Estudios de Validación. Confiabilidad. Validez.

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Publicado
2020-05-26
Cómo citar
[1]
Sánchez Pedraza, R. y Valderamar, A. 2020. Validación para utilización en Colombia de la escala EORTC QLQ C-30 para evaluación de la calidad de vida de los pacientes con cáncer. Revista Colombiana de Cancerología. 24, 2 (may 2020), 61-71. DOI:https://doi.org/10.35509/01239015.128.
Sección
Artículos de investigación/originales