Accuracy of the revised Addenbrooke Cognitive Examination (ACE-R) in older adults with low education and mild cognitive impairment: results of a cross-sectional study in two metropolitan areas of Northeast Brazil

ABSTRACT Objective To determine the diagnostic accuracy of the Addenbrooke’s Cognitive Examination (ACE-R) for older adults with low education, without dementia, in two capitals in northeastern Brazil, compared to subjects with MCI. Methods 100 participants were collected from a previous neurologica...

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Veröffentlicht in:Jornal Brasileiro de Psiquiatria 2024, Vol.73 (2)
Hauptverfasser: Passinho, Jhule Silva, Tavares-Júnior, José Wagner Leonel, Sudo, Felipe Kenji, Bittencourt, Lays, Alves, Candida Helena Lopes, Siqueira-Neto, José Ibiapina, Braga Neto, Pedro, Alves, Gilberto Sousa
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Sprache:eng
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Zusammenfassung:ABSTRACT Objective To determine the diagnostic accuracy of the Addenbrooke’s Cognitive Examination (ACE-R) for older adults with low education, without dementia, in two capitals in northeastern Brazil, compared to subjects with MCI. Methods 100 participants were collected from a previous neurological and psychiatric evaluation and were subsequently subjected to the ACE-R. Among them, 18 subjects with amnestic mild cognitive impairment (aMCI), 22 with non-amnestic mild cognitive impairment (naMCI), and 60 healthy controls. Results Optimal ACE-R accuracy yielded excellent values for the comparison between controls and naMCI [Area Under the Curve (AUC) = 0.919)] and controls and aMCI (AUC= 0.921); conversely, very fair accuracy was reported for the comparison between aMCI and naMCI (AUC= 0.578). Conclusions These findings support establishing reliable cutoff scores for cognitive assessment of elderlies with low schooling and cognitive decline, not dementia, taking into consideration ecological and regional variables. RESUMO Objetivo Determinar a acurácia diagnóstica do Exame Cognitivo de Addenbrooke (ACE-R) para idosos com baixa escolaridade, sem demência, em duas capitais no nordeste do Brasil, comparando a sujeitos com CCL. Métodos Foram coletados 100 participantes a partir de uma avaliação neurológica e psiquiátrica prévia, sendo submetidos aos ACE-R posteriormente. Dentre eles, 18 sujeitos com comprometimento cognitivo leve amnéstico (aCCL), 22 com comprometimento cognitivo leve não amnéstico (naCCL) e 60 controles saudáveis. Resultados Os pontos de acurácia do ACE-R foram considerados excelentes para a comparação entre controles e naCCL [Área sob a curva (AUC) = 0,919)] e controles e aCCL (AUC= 0,921); por outro lado, foi relatada uma baixa acurácia para a comparação entre aCCL e naCCL (AUC= 0,578). Conclusões Os achados dão suporte à necessidade de estudos estabelecendo pontos de corte confiáveis para a avaliação cognitiva de idosos com baixa escolaridade e declínio cognitivo sem demência, levando-se em consideração variáveis ecológicas e regionais.
ISSN:0047-2085
1982-0208
1982-0208
DOI:10.1590/0047-2085-2023-0035