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Norms for the mini-mental state examination: adjustment of the cut-off point in population-based studies (evidences from the Bambuí health aging study) / Normas para o uso do mini-exame do estado mental: adequação do ponto de corte em estudos populacionais (evidências do Projeto Bambuí)
Castro-Costa, Érico; Fuzikawa, Cíntia; Uchoa, Elizabeth; Firmo, Josélia Oliveira Araújo; Lima-Costa, Maria Fernanda.
  • Castro-Costa, Érico; Federal University of Minas Gerais. Medical School. Belo Horizonte. BR
  • Fuzikawa, Cíntia; Federal University of Minas Gerais. Medical School. Belo Horizonte. BR
  • Uchoa, Elizabeth; Federal University of Minas Gerais. Medical School. Belo Horizonte. BR
  • Firmo, Josélia Oliveira Araújo; Federal University of Minas Gerais. Medical School. Belo Horizonte. BR
  • Lima-Costa, Maria Fernanda; Federal University of Minas Gerais. Medical School. Belo Horizonte. BR
Arq. neuropsiquiatr ; 66(3a): 524-528, set. 2008. graf, tab
Article in English | LILACS | ID: lil-492574
ABSTRACT

OBJECTIVE:

To estimate the prevalence of cognitive impairment in an elderly population-based cohort, using several Mini-Mental State Examination (MMSE) cut-off points recommended by Brazilian authors and to examine the percentile distribution of MMSE scores in the study population.

METHOD:

A total of 1558 subjects aged >60 years (89.4 percent of the total), living in the city of Bambuí, MG, completed the MMSE and were included in the present study.

RESULTS:

The estimated prevalences of cognitive impairment varied from 13.2 percent to 27.0 percent depending on the cut-off point and agreement varied widely between them (kappa range 0.38 to 0.88). Cut-off point 13/14 corresponded to the 5th percentile and 21/22 corresponded to the lower quartile of the MMSE score distribution.

CONCLUSION:

In the absence of comparable cut-off points, percentile distributions are more adequate for population-based studies of elderly with low schooling level.
RESUMO

OBJETIVO:

Estimar a prevalência de déficit cognitivo em uma base populacional de idosos, utilizando-se os diferentes pontos de corte do Mini-Exame do Estado Mental (MEEM) recomendados por autores brasileiros e verificar a distribuição em percentis da pontuação do MEEM na população estudada.

MÉTODO:

Participaram do estudo 1558 (89,4 por cento do total) indivíduos com idade >60 anos residentes na cidade de Bambuí, MG, que foram submetidos ao MEEM.

RESULTADOS:

A prevalência estimada de déficit cognitivo variou de 13,2 por cento a 27,0 por cento, dependendo do ponto de corte utilizado, observando-se grande variação na sua concordância (índices de kappa entre 0,38 e 0,88). O ponto de corte de 13/14 correspondeu ao 5º percentil e o de 21/22, ao quartil inferior da distribuição dos escores do MEEM.

CONCLUSÃO:

Na ausência de pontos de corte comparáveis, a distribuição em percentis é mais adequada para estudos de base populacional de idosos com baixa escolaridade.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Brief Psychiatric Rating Scale / Cognition Disorders Type of study: Diagnostic study / Evaluation studies / Prevalence study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Minas Gerais/BR

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Full text: Available Index: LILACS (Americas) Main subject: Brief Psychiatric Rating Scale / Cognition Disorders Type of study: Diagnostic study / Evaluation studies / Prevalence study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Minas Gerais/BR