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Problem of immortal time bias in cohort studies: example using statins for preventing progression of diabetes

Lévesque, Linda E ; Hanley, James A ; Kezouh, Abbas ; Suissa, Samy

BMJ, 2010-03, Vol.340 (7752), p.907-911 [Periódico revisado por pares]

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Título:
Problem of immortal time bias in cohort studies: example using statins for preventing progression of diabetes
Autor: Lévesque, Linda E ; Hanley, James A ; Kezouh, Abbas ; Suissa, Samy
Assuntos: Bias ; Cohort Studies ; Design analysis ; Diabetes ; Diabetes Mellitus - prevention & control ; Disease Progression ; Dopamine ; Drugs ; Epidemiology ; Gastrointestinal agents ; Health risk assessment ; Heart attacks ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use ; Insulin ; Medical research ; Medical treatment ; Older adults ; Pharmacoepidemiology ; Research methods ; RESEARCH METHODS & REPORTING ; Statins ; Time dependence ; Time Factors
É parte de: BMJ, 2010-03, Vol.340 (7752), p.907-911
Notas: ArticleID:levl703686
local:bmj;340/mar12_1/b5087
PMID:20228141
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ark:/67375/NVC-TZSGS84G-W
href:bmj-340-bmj-b5087.pdf
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Immortal time in observational studies can bias the results in favour of the treatment group, but it is not difficult to identify and avoid
Editor: England: British Medical Journal Publishing Group
Idioma: Inglês

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