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...
Main Authors: | Lund JL, Horváth-Puhó E, Komjáthiné Szépligeti S, Sørensen HT, Pedersen L, Ehrenstein V, Stürmer T |
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Format: | Article |
Language: | English |
Published: |
Dove Medical Press
2017-11-01
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Series: | Clinical Epidemiology |
Subjects: | |
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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