The impact of selection bias in randomized multi-arm parallel group clinical trials

• Diane Uschner ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: duschner@ukaachen.de

  Affiliation Department of Medical Statistics, RWTH Aachen University, Aachen, Germany

  http://orcid.org/0000-0002-7858-796X

  ⨯
• Ralf-Dieter Hilgers,

  Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  Affiliation Department of Medical Statistics, RWTH Aachen University, Aachen, Germany

  ⨯
• Nicole Heussen

  Roles Funding acquisition, Methodology, Supervision, Visualization, Writing – review & editing

  Affiliations Department of Medical Statistics, RWTH Aachen University, Aachen, Germany, Center of Biostatistics and Epidemiology, Department of Evidence Based Medicine, Sigmund Freund University, Vienna, Austria

  ⨯