How do researchers determine the difference to be detected in superiority trials? Results of a survey from a panel of researchers
Abstract Background There is currently no guidance for selecting a specific difference to be detected in a superiority trial. We explored 3 factors that in our opinion should influence the difference to be detected (type of outcome, patient age group, and presence of treatment side-effects), and 3 t...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2016-07-01
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Series: | BMC Medical Research Methodology |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12874-016-0195-2 |