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Arq Neuropsiquiatr. 2008 Sep;66(3A):524-8.

Norms for the mini-mental state examination: adjustment of the cut-off point in population-based studies (evidences from the Bambuí health aging study).

Author information

1
Public Health and Ageing Research Group, Medical School, Federal University of Minas Gerais, Belo Horizonte MG, Brazil. castro-costa@cpqrr.fiocruz.br

Erratum in

  • Arq Neuropsiquiatr. 2009 Dec;66(4):932-3.

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% 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% to 27.0% 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.

PMID:
18813712
[Indexed for MEDLINE]
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