Journal article
The correlation between baseline score and post-intervention score, and its implications for statistical analysis
- Abstract:
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Background When using a continuous outcome measure in a randomised controlled trial (RCT), the baseline score should be measured in addition to the post-intervention score, and it should be analysed using the appropriate statistical analysis.
Methods We derive the correlation between the change score and baseline score and show that there is always a correlation (usually negative) between the change score and baseline score. We discuss the followin... Expand abstract
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Version of record, pdf, 578.4KB)
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- Publisher copy:
- 10.1186/s13063-018-3108-3
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Authors
Bibliographic Details
- Publisher:
- BioMed Central Publisher's website
- Journal:
- Trials Journal website
- Volume:
- 43
- Issue:
- 20
- Publication date:
- 2019-01-11
- Acceptance date:
- 2018-12-06
- DOI:
- EISSN:
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1745-6215
- Source identifiers:
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959298
Item Description
- Language:
- English
- Keywords:
- Pubs id:
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pubs:959298
- UUID:
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uuid:8a402c44-5f58-4546-b914-3eaf80c20bc6
- Local pid:
- pubs:959298
- Deposit date:
- 2019-01-12
Terms of use
- Copyright holder:
- Clifton and Clifton
- Copyright date:
- 2019
- Notes:
- © The Author(s). 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
- Licence:
- CC Attribution (CC BY)
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