| Association of journal quality indicators with methodological quality of clinical research articles. | |
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MedLine Citation:
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PMID: 12038918 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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CONTEXT: The ability to identify scientific journals that publish high-quality research would help clinicians, scientists, and health-policy analysts to select the most up-to-date medical literature to review. METHODS: To assess whether journal characteristics of (1) peer-review status, (2) citation rate, (3) impact factor, (4) circulation, (5) manuscript acceptance rate, (6) MEDLINE indexing, and (7) Brandon/Hill Library List indexing are predictors of methodological quality of research articles, we conducted a cross-sectional study of 243 original research articles involving human subjects published in general internal medical journals. RESULTS: The mean (SD) quality score of the 243 articles was 1.37 (0.22). All journals reported a peer-review process and were indexed on MEDLINE. In models that controlled for article type (randomized controlled trial [RCT] or non-RCT), journal citation rate was the most statistically significant predictor (0.051 increase per doubling; 95% confidence interval [CI], 0.037-0.065; P<.001). In separate analyses by article type, acceptance rate was the strongest predictor for RCT quality (-0.113 per doubling; 95% CI, -0.148 to -0.078; P<.001), while journal citation rate was the most predictive factor for non-RCT quality (0.051 per doubling; 95% CI, 0.044-0.059; P<.001). CONCLUSIONS: High citation rates, impact factors, and circulation rates, and low manuscript acceptance rates and indexing on Brandon/Hill Library List appear to be predictive of higher methodological quality scores for journal articles. |
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Authors:
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Kirby P Lee; Marieka Schotland; Peter Bacchetti; Lisa A Bero |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: JAMA : the journal of the American Medical Association Volume: 287 ISSN: 0098-7484 ISO Abbreviation: JAMA Publication Date: 2002 Jun |
Date Detail:
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Created Date: 2002-05-31 Completed Date: 2002-06-14 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7501160 Medline TA: JAMA Country: United States |
Other Details:
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Languages: eng Pagination: 2805-8 Citation Subset: AIM; E; IM |
Affiliation:
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Institute for Health Policy Studies, School of Medicine, University of California, San Francisco, CA, USA. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Biomedical Research* Cross-Sectional Studies Evaluation Studies as Topic Periodicals as Topic / standards* Publishing / standards* Quality Control Randomized Controlled Trials as Topic |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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