Document Detail


Determining the Modified Rankin Score After Stroke by Postal and Telephone Questionnaires.
MedLine Citation:
PMID:  22135076     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE: The modified Rankin Scale (mRS) is the most common outcome measure in large randomized controlled trials in stroke. We tested 2 postal mRS questionnaires and a telephone questionnaire to determine completion rates and intermodality agreement. METHODS: We sent postal questionnaires containing 2 versions of the mRS to surviving stroke patients. One version, tick box, involved the patient/proxy ticking 1 of the 5 descriptions equating to mRS scores; the other, the simplified modified Rankin questionnaire (smRSq), included 5 questions with yes/no responses from which the mRS is derived. We performed a semistructured telephone interview to consenting respondents, blinded to postal responses, to assign an mRS. We compared the mRS obtained by these different methods. RESULTS: We sent questionnaires to 343 of 356 surviving patients (96%) and received 225 responses (66%). The mRS could not be derived in 27 respondents (12%) and 10 respondents (4%) on the tick box and smRSq, respectively (difference in proportion, 8% [95% CI, 3-13]. One hundred three of 190 respondents (54%) to the postal questionnaire agreed on the tick box versus smRSq version (κ=0.44 [0.38, 0.50]). Agreements between the tick box versus telephone and smRSq versus telephone were 57% (ie, 87/152, κ=0.47 [0.40, 0.55], and 64% (ie, 104/161, κ=0.55 [0.47, 0.62], respectively. CONCLUSIONS: In large studies where face-to-face assessment of mRS is impractical, a postal smRSq with telephone follow-up to nonresponders will achieve higher levels of follow-up than will the tick box version and also good levels of intermodality agreement with least risk of bias.
Authors:
Martin Dennis; Gillian Mead; Fergus Doubal; Catriona Graham
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-1
Journal Detail:
Title:  Stroke; a journal of cerebral circulation     Volume:  -     ISSN:  1524-4628     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0235266     Medline TA:  Stroke     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
From the Division of Clinical Neurosciences, University of Edinburgh, Western General Hospital, Edinburgh, UK.
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