| Positive-outcome bias: comparison of emergency medicine and general medicine literatures. | |
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MedLine Citation:
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PMID: 7621207 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The existence of positive-outcome bias in the medical literature is well established. Positive-outcome bias in two emergency medicine journals was compared with that found in two general medicine journals. METHODS: Published original contributions from Annals of Emergency Medicine, American Journal of Emergency Medicine, JAMA, and New England Journal of Medicine were reviewed. Articles were categorized as demonstrating a positive or negative outcome or showing no difference using new criteria. Descriptive articles were excluded. RESULTS: Of 700 articles reviewed, 177 emergency medicine and 211 general medicine articles met the study criteria. The emergency medicine journals had 142 articles (80%) with positive outcomes, 27 (15%) with negative outcomes, and 8 (5%) with no difference. The general medicine journals had 169 articles (80%) with positive outcomes, 33 (16%) with negative outcomes, and 9 (4%) with no difference. There was no significant difference between journal groups (chi-square; p = 0.99). The power of the study was 0.80 to detect a difference of 15% between groups with alpha set at 0.05. CONCLUSION: There was no significant difference in the proportions of positive-outcome studies published in this sample of the emergency medicine literature compared with the general medicine literature. The potential impact of positive-outcome bias and methods of dealing with the problem are reviewed. |
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Authors:
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R Moscati; D Jehle; D Ellis; A Fiorello; M Landi |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Academic emergency medicine : official journal of the Society for Academic Emergency Medicine Volume: 1 ISSN: 1069-6563 ISO Abbreviation: Acad Emerg Med Publication Date: 1994 May-Jun |
Date Detail:
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Created Date: 1995-08-28 Completed Date: 1995-08-28 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9418450 Medline TA: Acad Emerg Med Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 267-71 Citation Subset: IM |
Affiliation:
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Department of Emergency Medicine, SUNY at Buffalo School of Medicine, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Emergency Medicine Family Practice Humans Periodicals as Topic* Publication Bias* Treatment Outcome |
| Comments/Corrections | |
Comment In:
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Acad Emerg Med. 1994 May-Jun;1(3):207-9
[PMID:
7621197
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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