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Negative controls to detect uncontrolled confounding in observational studies of mammographic screening comparing participants and non-participants

BACKGROUND: When comparing mammography-screening participants and non-participants, estimates of reduction in breast-cancer mortality may be biased by poor baseline comparability. We used negative controls to detect uncontrolled confounding. METHODS: We designed a closed cohort of Danish women invit...

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Detalles Bibliográficos
Autores principales: Lousdal, Mette Lise, Lash, Timothy L, Flanders, W Dana, Brookhart, M Alan, Kristiansen, Ivar Sønbø, Kalager, Mette, Støvring, Henrik
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7394947/
https://www.ncbi.nlm.nih.gov/pubmed/32211885
http://dx.doi.org/10.1093/ije/dyaa029