Researchers find no adjustment method fully resolves confounding by indication

Researchers at Boston University School of Medicine (BUSM) and Boston University School of Public Health have found that no adjustment method fully resolves confounding by indication in observational studies, meaning when the validity of a study is threatened by unmeasured confounding, it is not straightforward to determine which method of adjustment, if any, is most effective in obtaining a valid and precise estimate of effect. The study appears online in the Journal of Clinical Epidemiology...

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