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Journal article

Imputing missing standard deviations in meta-analyses can provide accurate results.

Abstract:

BACKGROUND AND OBJECTIVES: Many reports of randomized controlled trials (RCTs) fail to provide standard deviations (SDs) of their continuous outcome measures. Some meta-analysts substitute them by those reported in other studies, either from another meta-analysis or from other studies in the same meta-analysis. But the validity of such practices has never been empirically examined. METHODS: We compared the actual standardized mean difference (SMD) of individual RCTs and the meta-analytically...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MSD, Psychiatry
Role:
Author
Journal:
Journal of clinical epidemiology
Volume:
59
Issue:
1
Pages:
7-10
Publication date:
2006-01-05
DOI:
EISSN:
1878-5921
ISSN:
0895-4356
URN:
uuid:e6987094-7179-4d22-b902-24ff5647e85f
Source identifiers:
425982
Local pid:
pubs:425982

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