The sixth paper in this series discusses the design and principles of randomised controlled trials. This paper discusses various key features of RCT design, with particular emphasis on the validity of ...
Rhondda Cynon Taf is the second largest county borough in Wales. It includes five valleys: the Rhondda Fawr, Rhondda Fach, Cynon, Taff and Ely valleys as well as a number of other communities. In ...
Introduction: High-quality randomised controlled trials (RCTs) provide the most reliable evidence on the comparative efficacy of new medicines. However, non-randomised studies (NRS) are increasingly ...
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