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Expert Versus Proxy Rating of Verbal Communicative Ability of People with Aphasia after Stroke

Published online by Cambridge University Press:  16 November 2012

Marjolein de Jong-Hagelstein ,
Lieke Kros ,
Hester F. Lingsma ,
Diederik W.J. Dippel ,
Peter J. Koudstaal  and
Evy G. Visch-Brink
Marjolein de Jong-Hagelstein*
Affiliation:
Department of Neurology, Erasmus MC University Medical Center Rotterdam, The Netherlands
Lieke Kros
Affiliation:
Department of Neuroscience, Erasmus MC University Medical Center Rotterdam, The Netherlands
Hester F. Lingsma
Affiliation:
Department of Public Health, Erasmus MC University Medical Center Rotterdam, The Netherlands
Diederik W.J. Dippel
Affiliation:
Department of Neurology, Erasmus MC University Medical Center Rotterdam, The Netherlands
Peter J. Koudstaal
Affiliation:
Department of Neurology, Erasmus MC University Medical Center Rotterdam, The Netherlands
Evy G. Visch-Brink
Affiliation:
Department of Neurology, Erasmus MC University Medical Center Rotterdam, The Netherlands
*
Correspondence and reprint requests to: Marjolein de Jong-Hagelstein, Erasmus MC, Neurology, Room EE 2291, PO Box 2040, 3000 CA Rotterdam, The Netherlands. E-mail: m.hagelstein@erasmusmc.nl
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Abstract

In randomized clinical trials of aphasia treatment, a functional outcome measure like the Amsterdam-Nijmegen Everyday Language Test (ANELT), administered by speech-language therapists, is often used. However, the agreement between this expert rating and the judgment of the proxy about the quality of the daily life communication of the person with aphasia is largely unknown. We examined the association between ANELT scores by speech-language therapists and proxy judgments on the Partner Communication Questionnaire both at 3 and 6 months in 39 people with aphasia after stroke. We also determined which factors affected the level of agreement between expert and proxy judgment of the communicative ability at 6 months in 53 people with aphasia. We found moderate agreement (at 3 months r = .662; p = < .0001 and at 6 months r = .565; p = .0001), with proxies rating slightly higher than experts. Less severe aphasia, measured with the Aphasia Severity Rating Scale, was associated with better agreement. In conclusion, although proxies were slightly more positive than experts, we found moderate agreement between expert and proxy rating of verbal communicative ability of people with aphasia after stroke, especially in milder cases. (JINS, 2012, 18, 1064–1070)

Keywords

CVA (cerebrovascular accident)AphasiaVerbal communicationJudgmentClinician ratingPartner rating
Type
Research Articles
Information
Journal of the International Neuropsychological Society , Volume 18 , Issue 6 , November 2012 , pp. 1064 - 1070
Copyright
Copyright © The International Neuropsychological Society 2012

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