Eliciting and using expert opinions about dropout bias in randomized controlled trials.

@article{White2007ElicitingAU,
  title={Eliciting and using expert opinions about dropout bias in randomized controlled trials.},
  author={Ian R. White and James Carpenter and Stephen Evans and Sara Schroter},
  journal={Clinical trials},
  year={2007},
  volume={4 2},
  pages={125-39}
}
BACKGROUND The analysis of clinical trials with dropout usually assumes the missing data are ;missing at random', i.e. given an individual's past observed data, their probability of dropout does not depend on their present outcome. However, in many settings this assumption is implausible, so it is sensible to assess the robustness of conclusions to departures from missing at random. PURPOSE To develop a practical, accessible, approach that allows expert opinions about the degree of departure… CONTINUE READING

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