Document Detail


The research questions and methodological adequacy of clinical studies of the voice and larynx published in Brazilian and international journals.
MedLine Citation:
PMID:  19366388     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To evaluate the methodological adequacy of voice and laryngeal study designs published in speech-language pathology and otorhinolaryngology journals indexed for the ISI Web of Knowledge (ISI Web) and the MEDLINE database. METHODS: A cross-sectional study conducted at the Universidade Federal de São Paulo (Federal University of São Paulo). Two Brazilian speech-language pathology and otorhinolaryngology journals (Pró-Fono and Revista Brasileira de Otorrinolaringologia) and two international speech-language pathology and otorhinolaryngology journals (Journal of Voice, Laryngoscope), all dated between 2000 and 2004, were hand-searched by specialists. Subsequently, voice and larynx publications were separated, and a speech-language pathologist and otorhinolaryngologist classified 374 articles from the four journals according to objective and study design. RESULTS: The predominant objective contained in the articles was that of primary diagnostic evaluation (27%), and the most frequent study design was case series (33.7%). A mere 7.8% of the studies were designed adequately with respect to the stated objectives. There was no statistical difference in the methodological quality of studies indexed for the ISI Web and the MEDLINE database. CONCLUSION: The studies published in both national journals, indexed for the MEDLINE database, and international journals, indexed for the ISI Web, demonstrate weak methodology, with research poorly designed to meet the proposed objectives. There is much scientific work to be done in order to decrease uncertainty in the field analysed.
Authors:
Vanessa Pedrosa Vieira; Noemi De Biase; Maria Stella Peccin; Alvaro Nagib Atallah
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Publication Detail:
Type:  Journal Article     Date:  2009-04-02
Journal Detail:
Title:  Journal of evaluation in clinical practice     Volume:  15     ISSN:  1365-2753     ISO Abbreviation:  J Eval Clin Pract     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-06-15     Completed Date:  2009-09-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9609066     Medline TA:  J Eval Clin Pract     Country:  England    
Other Details:
Languages:  eng     Pagination:  473-7     Citation Subset:  IM    
Affiliation:
Universidade Federal de São Paulo, São Paulo, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Brazil
Clinical Trials as Topic / methods*
Cross-Sectional Studies
Epidemiologic Methods
Evidence-Based Medicine
Journalism, Medical*
Larynx*
Otolaryngology
Review Literature as Topic
Speech-Language Pathology
Voice*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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