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Planning the size of a cohort study in the presence of both losses to follow-up and non-compliance

โœ Scribed by Mari Palta; Richard McHugh

Book ID
115961253
Publisher
Elsevier Science
Year
1980
Weight
853 KB
Volume
33
Category
Article
ISSN
0021-9681

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Losses to follow-up in clinical trialspatients for whom we do not know if the outcome of interest has occurredcan bias study results. If we investigate extreme case scenarios and find the study results do not change much, impact is negligible. If not, we may need to interpret the study's results wit