Spanish validation and cultural adaptation of the Five-Word Test for the detection of the neurocognitive disorder in older adults

Sara Gloria Aguilar-Navarro, Alberto José Mimenza-Alvarado, Rafael Martínez-Sánchez, Silvia Mejía-Arango, Lidia Gutiérrez-Gutiérrez, José Alberto Ávila-Funes

DOI: https://doi.org/10.17711/SM.0185-3325.2019.037

Abstract


Introduction. “Episodic” memory problems are common in people with cognitive impairment due to Alzheimer’s disease and related disorders. Dubois et al. developed the Five-Word Test (5WT) to evaluate episodic memory, which has proved to be an easy and valid test for identifying cognitive disorders. However, its validation and cultural adaptation from French to Spanish has not been undertaken and its usefulness in Mexican population is unknown.

Objective. Validation and cultural adaptation of the 5WT for screening minor and major neurocognitive disorder (ND) in Mexican older adults with probable Alzheimer’s disease.

Method. Two hundred and fifteen participants (70 cognitively healthy subjects, 73 with minor ND and 72 with major ND were included). The cognitive status (gold standard) was determined using current clinical criteria and neuropsychological evaluation. The Spearman coefficient, ROC curve, and multinomial logistic regression models were used to determine the concurrent validity of the 5WT.

Results. The correlation between the 5WT and the Mini-Mental State Exam (MMSE) was .58, whereas for the clock face test it was -.37 (p < .001). The area under the 5WT curve was .97 (95% CI [.94, .99]), with a cut-off point of ≤ 16/20 for the diagnosis of major ND (89% sensitivity, 98% specificity) and .77 (95% CI [.70, .85]) for minor ND with a cut-off point of ≤ 18/20 (66% sensitivity, 77% specificity).

Discussion and conclusion. Since the 5WT is a simple, valid instrument for the identification of neurocognitive disorders like Alzheimer’s disease, it could be a practical screening test.

Keywords


Neurocognitive disorder; Alzheimer’s disease; Five-Word Test; screening; older adult

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References


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