๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Publication bias and clinical trials

โœ Scribed by K. Dickersin; S. Chan; T.C. Chalmersx; H.S. Sacks; H. Smith Jr.


Book ID
119143572
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
686 KB
Volume
8
Category
Article
ISSN
0197-2456

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Patient non-compliance and drop-out can bias analyses of clinical trial data. I describe a parametric model for treatment cross-over and drop-out and demonstrate how the concept of ignorability, originally de"ned for incomplete-data problems, can elucidate sources of bias in clinical trials. I discu