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Instituto Nacional de Salud Pública

2023, Número 5

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salud publica mex 2023; 65 (5)


Batería cognitiva del estudio Mex-Cog: análisis discriminante del perfil de desempeño cognitivo en adultos mayores

Mejía-Arango S, Aguilar-Navarro S, Mimenza-Alvarado AJ

Idioma: Ingles.
Referencias bibliográficas: 26
Paginas: 465-474
Archivo PDF: 302.06 Kb.


RESUMEN

Objetivo. Analizar el perfil cognitivo de una muestra clínica en la batería cognitiva del Mex-Cog y determinar cuáles medidas cognitivas y dominios contribuyen más a separar los grupos. Material y métodos. Se aplicó la batería cognitiva a un grupo de 145 adultos mayores previamente diagnosticados con demencia (n= 47), deterioro cognitivo leve (n= 47) y cognitivamente normales (n= 51). Se estimaron seis análisis discriminantes comparando los grupos demencia vs. cognitivamente normales, deterioro cognitivo leve vs. cognitivamente normales, y deterioro cognitivo leve vs. demencia, utilizando diez medidas cognoscitivas y seis dominios. Para determinar la capacidad predictiva de los modelos discriminantes se realizó un análisis de validación cruzada. Resultados. Las funciones discriminantes, con las medidas cognoscitivas individuales o los dominios utilizados como predictores, clasificaron correctamente en 100% de los adultos con demencia y cognitivamente normales, observándose un perfil determinado por medidas de memoria y función ejecutiva. La clasificación de los grupos con deterioro cognitivo leve y cognitivamente normal osciló entre 82 y 85% con un perfil cognitivo asociado con medidas de atención-función ejecutiva seguido de medidas de memoria. La separación entre los grupos con deterioro cognitivo leve y demencia estuvo en el rango de 80 a 87%, caracterizado por medidas de orientación, memoria y habilidades visoespaciales. Conclusiones. La batería cognitiva del Mex-Cog es útil para identificar el deterioro cognitivo en adultos mayores.


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