Conditioning on future exposure to define study cohorts can induce bias: the case of low-dose acetylsalicylic acid and risk of major bleeding

Conditioning on future exposure to define study cohorts can induce bias: the case of low-dose acetylsalicylic acid and risk of major bleeding

Jennifer L Lund,1,2 Erzsébet Horváth-Puhó,2 Szimonetta Komjáthiné Szépligeti,2 Henrik Toft Sørensen,2 Lars Pedersen,2 Vera Ehrenstein,2 Til Stürmer1,2 1Department of Epidemiology, University of North Carolina, Chap...

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Bibliographic Details
Main Authors: Lund JL, Horváth-Puhó E, Komjáthiné Szépligeti S, Sørensen HT, Pedersen L, Ehrenstein V, Stürmer T
Format: Article
Language:English
Published: Dove Medical Press 2017-11-01
Series:Clinical Epidemiology
Subjects:
pharmacoepidemiology
cohort studies
immortal time bias
selection bias
Online Access:https://www.dovepress.com/conditioning-on-future-exposure-to-define-study-cohorts-can-induce-bia-peer-reviewed-article-CLEP

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https://www.dovepress.com/conditioning-on-future-exposure-to-define-study-cohorts-can-induce-bia-peer-reviewed-article-CLEP

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