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Journal article

The impact of outcome reporting bias in randomised controlled trials on a cohort of systematic reviews.

Abstract:

OBJECTIVE: To examine the prevalence of outcome reporting bias-the selection for publication of a subset of the original recorded outcome variables on the basis of the results-and its impact on Cochrane reviews. DESIGN: A nine point classification system for missing outcome data in randomised trials was developed and applied to the trials assessed in a large, unselected cohort of Cochrane systematic reviews. Researchers who conducted the trials were contacted and the reason sought for the non...

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Publication status:
Published

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Publisher copy:
10.1136/bmj.c365

Authors


Kirkham, JJ More by this author
Altman, DG More by this author
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Journal:
BMJ (Clinical research ed.)
Volume:
340
Issue:
7747
Pages:
c365
Publication date:
2010
DOI:
EISSN:
1756-1833
ISSN:
0959-8138
URN:
uuid:3878cbef-dd1f-4b2f-8a9d-be39ff308373
Source identifiers:
178936
Local pid:
pubs:178936

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