The magnitude and temporal changes of response in the placebo arm of surgical randomized controlled trials: a systematic review and meta-analysis
<strong>Background:</strong> Understanding changes in the placebo arm is essential for correct design and interpretation of randomized controlled trials (RCTs). It is assumed that placebo response, defined as the total improvement in the placebo arm of surgical trials, is large; however,...
Main Authors: | , , , , , , , , |
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Format: | Journal article |
Published: |
BioMed Central
2016
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