Correction to: Trials (2018) 19:542
https://doi.org/10.1186/s13063-018-2887-x
Following publication of the original article [1], we have been notified of a few mistakes:
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Figure 1:
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“1351 titles and abstracts” should read “1322 titles and abstracts”
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"Stat Biopharm Res" value should be "8" instead of "18"
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"Stat Med" value should be "226" instead of "74"
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"Stat Methods Med Res" value should be "74" instead of "226"
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Results section, Stage 5, first paragraph, the phrase:
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“It was endorsed by the MRC-NIHR Methodology Advisory Group on March 12, 2018, with minor updating of references and the final version produced on April 18, 2017” should read
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“It was endorsed by the MRC-NIHR Methodology Advisory Group on March 12, 2018, with minor updating of references and the final version produced on April 18, 2018”.
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Reference
Sones W, et al. Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial – the development of the DELTA2 guidance. Trials. 2018;19:542. https://doi.org/10.1186/s13063-018-2887-x.
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Sones, W., Julious, S.A., Rothwell, J.C. et al. Correction to: Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial – the development of the DELTA2 guidance. Trials 20, 602 (2019). https://doi.org/10.1186/s13063-019-3809-2
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DOI: https://doi.org/10.1186/s13063-019-3809-2