Efficient sampling approaches to address confounding in database studies

Hanley, James A.; Dendukuri, Nandini
February 2009
Statistical Methods in Medical Research;Feb2009, Vol. 18 Issue 1, p81
Academic Journal
Administrative and other population-based databases are widely used in pharmacoepidemiology to study the unintended effects of medications. They allow investigators to study large case series, and they document prescription medication exposure without having to contact individuals or medical charts, or rely on human recall. However, such databases often lack information on potentially important confounding variables. This review describes some of the sampling approaches and accompanying data-analysis methods that can be used to assess, and deal efficiently with, such confounding.


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