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  • Title: Expert versus proxy rating of verbal communicative ability of people with aphasia after stroke.
    Author: de Jong-Hagelstein M, Kros L, Lingsma HF, Dippel DW, Koudstaal PJ, Visch-Brink EG.
    Journal: J Int Neuropsychol Soc; 2012 Nov; 18(6):1064-70. PubMed ID: 23158230.
    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.
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