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Review Question - QID 220333

Observational Studies QID: 220333 (M2.OMB.93)
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QID 220333 (Type "220333" in App Search)
A researcher is interested in studying the association between rheumatoid arthritis and the risk of hip fracture. To explore this association, she develops a retrospective study design in which she identifies patients in a hospital database over the age of 65 with and without rheumatoid arthritis and determines whether they ever s...
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