- Abstract:
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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...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1016/j.jclinepi.2005.06.006
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- Journal:
- Journal of clinical epidemiology
- Volume:
- 59
- Issue:
- 1
- Pages:
- 7-10
- Publication date:
- 2006-01-05
- DOI:
- EISSN:
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1878-5921
- ISSN:
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0895-4356
- URN:
-
uuid:e6987094-7179-4d22-b902-24ff5647e85f
- Source identifiers:
-
425982
- Local pid:
- pubs:425982
- Copyright date:
- 2006
Journal article
Imputing missing standard deviations in meta-analyses can provide accurate results.
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