Card 4 / 10: If an investigator is conducting a hospital-based case-control study, what is the best source of controls for that study?
Answer:
Hospital based case-control studies should use hospital controls. Community controls may not represent the catchment population of the hospital (i.e. the population that uses that hospital).
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Epidemiology & Biostatistics Case-control Studies
Author:
Dr.Janet ForresterProfessor
Tufts University School of Medicine
USA
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