DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial
Sign Up to like & getrecommendations! Published in 2018 at "Trials"
DOI: 10.1186/s13063-018-2884-0
Abstract: BackgroundA key step in the design of a RCT is the estimation of the number of participants needed in the study. The most common approach is to specify a target difference between the treatments for… read more here.
Keywords: target difference; sample size; difference; size calculation ... See more keywords
Practical help for specifying the target difference in sample size calculations for RCTs: the DELTA2 five-stage study, including a workshop.
Sign Up to like & getrecommendations! Published in 2019 at "Health technology assessment"
DOI: 10.3310/hta23600
Abstract: BACKGROUND The randomised controlled trial is widely considered to be the gold standard study for comparing the effectiveness of health interventions. Central to its design is a calculation of the number of participants needed (the… read more here.
Keywords: target difference; sample size; difference; trial ... See more keywords