Selection of confounding variables should not be based on observed associations with exposure

In observational studies, selection of confounding variables for adjustment is often based on observed baseline incomparability. The aim of this study was to evaluate this selection strategy. We used clinical data on the effects of inhaled long-acting beta-agonist (LABA) use on the risk of mortality...

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Detaylı Bibliyografya
Asıl Yazarlar: Groenwold, Rolf H. H., Klungel, Olaf H., Grobbee, Diederick E., Hoes, Arno W.
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: Springer Netherlands 2011
Konular:
Methods
Online Erişim:https://ncbi.nlm.nih.gov/pmc/articles/PMC3168755/
https://ncbi.nlm.nih.gov/pubmed/21796419
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1007/s10654-011-9606-1
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