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Conversion between Addenbrooke's Cognitive Examination III and Mini-Mental State Examination

Published online by Cambridge University Press:  10 December 2017

Jordi A. Matías-Guiu ,
Vanesa Pytel ,
Ana Cortés-Martínez ,
María Valles-Salgado ,
Teresa Rognoni ,
Teresa Moreno-Ramos  and
Jorge Matías-Guiu
Jordi A. Matías-Guiu*
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
Vanesa Pytel
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
Ana Cortés-Martínez
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
María Valles-Salgado
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
Teresa Rognoni
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
Teresa Moreno-Ramos
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
Jorge Matías-Guiu
Affiliation:
Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, Madrid, Spain
*
Correspondence should be addressed to: Jordi A. Matías-Guiu, Department of Neurology, San Carlos Institute for Health Research (IdISSC), Universidad Complutense de Madrid, C/ Profesor Martín Lagos s/n, 28040, Madrid, Spain. Phone: +34913303511, +34676933312. Email: jordimatiasguiu@hotmail.com, jordi.matias-guiu@salud.madrid.org.
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Abstract

Background:

We aim to provide a conversion between Addenbrooke's Cognitive Examination III (ACE-III) and Mini-Mental State Examination (MMSE) scores, to predict the MMSE result based on ACE-III, thus avoiding the need for both tests, and improving their comparability.

Methods:

Equipercentile equating method was used to elaborate a conversion table using a group of 400 participants comprising healthy controls and Alzheimer's disease (AD) patients. Then, reliability was assessed in a group of 100 healthy controls and patients with AD, 52 with primary progressive aphasia and 22 with behavioral variant frontotemporal dementia.

Results:

The conversion table between ACE-III and MMSE denoted a high reliability, with intra-class correlation coefficients of 0.940, 0.922, and 0.902 in the groups of healthy controls and AD, behavioral variant frontotemporal dementia, and primary progressive aphasia, respectively.

Conclusion:

Our conversion table between ACE-III and MMSE suggests that MMSE may be estimated based on the ACE-III score, which could be useful for clinical and research purposes.

Keywords

neuropsychological assessmentAlzheimer's diseasemild cognitive impairmentequipercentile
Type
Original Research Article
Information
International Psychogeriatrics , Volume 30 , Issue 8: Issue Theme: Caregiver Stress , August 2018 , pp. 1227 - 1233
Copyright
Copyright © International Psychogeriatric Association 2017 

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