Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - the development of the DELTA2 guidance
<h4>Background</h4> <p>A key step in the design of a randomised controlled trial is the estimation of the number of participants needed. The most common approach is to specify a target difference in the primary outcome between the randomised groups and then estimate the correspond...
Main Authors: | , , , , , , , , , , , , , |
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Format: | Journal article |
Published: |
BioMed Central
2018
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