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Specifying the target difference in the primary outcome for a randomised controlled trial: guidance for researchers
(Springer Nature, 2015-01-15)
Background: Central to the design of a randomised controlled trial is the calculation of the number of participants needed. This is typically achieved by specifying a target difference and calculating the corresponding ...
A mixed methods study to assess the feasibility of a randomised controlled trial of invasive urodynamic testing versus clinical assessment and non-invasive tests prior to surgery for stress urinary incontinence in women: the investigate-i study
(Springer Nature, 2015-09-08)
Background: The position of invasive urodynamic testing (IUT) in diagnostic pathways for urinary incontinence is unclear, and systematic reviews have called for further trials evaluating clinical utility. The objective of ...