Functional decline in the elderly with MCI: Cultural adaptation of the ADCS-ADL scale / Declínio funcional em idosos com comprometimento cognitivo leve: adaptação cultural da escala ADCS-ADL
Rev. Assoc. Med. Bras. (1992, Impr.)
; 63(7): 590-599, July 2017. tab, graf
Article
in En
| LILACS
| ID: biblio-896382
Responsible library:
BR1.1
ABSTRACT
Summary Objective:
Translate, transcultural adaptation and application to Brazilian Portuguese of the Alzheimer's Disease Cooperative Study - Activities of Daily Living (ADCS-ADL) scale as a cognitive screening instrument.Method:
We applied the back translation added with pretest and bilingual methods. The sample was composed by 95 elderly individuals and their caregivers. Thirty-two (32) participants were diagnosed as mild cognitive impairment (MCI) patients, 33 as Alzheimer's disease (AD) patients and 30 were considered as cognitively normal individuals.Results:
There were only little changes on the scale. The Cronbach alpha coefficient was 0.89. The scores were 72.9 for control group, followed by MCI (65.1) and by AD (55.9), with a p-value < 0.001. The ROC curve value was 0.89. We considered a cut point of 72 and we observed a sensibility of 86.2%, specificity of 70%, positive predictive value of 86.2%, negative predictive value of 70%, positive likelihood ratio of 2.9 and negative likelihood ratio of 0.2.Conclusion:
ADCS-ADL scale presents satisfactory psychometric properties to discriminate between MCI, AD and normal cognition.RESUMO
Resumo Objetivo:
Tradução, adaptação transcultural para o português brasileiro e aplicação da escala Alzheimer's Disease Cooperative Study - Activities of Daily Living (ADCS-ADL) como instrumento de triagem cognitiva.Método:
Retrotradução associada ao método bilíngue e de pré-teste. A amostra foi constituída por 95 idosos e seus respectivos acompanhantes, sendo 30 controles, 32 portadores de comprometimento cognitivo leve (CCL) e 33 portadores de demência de Alzheimer (DA) em fase inicial.Resultados:
Um pequeno número de modificações ocorreu na escala. O coeficiente alpha de Cronbach foi 0,89. O grupo controle pontuou 72,9, seguido pelo CCL (65,1) e pelo DA (55,9), valor p<0,001. A curva ROC demonstrou valor de 0,89. Com o ponto de corte de 72, observamos sensibilidade de 86,2%, especificidade de 70%, valor preditivo positivo de 86,2%, valor preditivo negativo de 70%, razão de verossimilhança positiva de 2,9 e razão de verossimilhança negativa de 0,2.Conclusão:
A escala ADCS-ADL apresenta propriedades psicométricas satisfatórias para discriminar entre DA, CCL e cognição normal.Key words
Full text:
1
Collection:
01-internacional
Database:
LILACS
Main subject:
Surveys and Questionnaires
/
Cognition Disorders
Type of study:
Diagnostic_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limits:
Aged
/
Female
/
Humans
/
Male
Country/Region as subject:
America do sul
/
Brasil
Language:
En
Journal:
Rev. Assoc. Med. Bras. (1992, Impr.)
Journal subject:
EducaÆo em Sa£de
/
GestÆo do Conhecimento para a Pesquisa em Sa£de
/
MEDICINA
Year:
2017
Document type:
Article
Affiliation country:
Brazil