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Case series are especially vulnerable to selection bias; for example, studies that report on a series of patients with a certain illness and/or a suspected linked exposure draw their patients from a particular population (such as a hospital or clinic) which may not appropriately represent the wider population.
A retrospective cohort study, also called a historic cohort study, is a longitudinal cohort study used in medical and psychological research. A cohort of individuals that share a common exposure factor is compared with another group of equivalent individuals not exposed to that factor, to determine the factor's influence on the incidence of a ...
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Examples of data that would lead to a query: a male patient being on female birth control medication or having had an abortion, or a 15-year-old participant having had hip replacement surgery. Each query has to be resolved by the individual attention of a member of each local research team, as well as an individual in the study administration.
Sofia, for example, crawled its way into the No. 3 slot after being bumped out of the top 10 entirely in 2022 by Esther. Isabella and Amelia gained two spaces in 2023, while Chloe emerged on the ...
NeNe Leakes has not closed the door on the possibility of a return to The Real Housewives of Atlanta. "If they called, I would answer," she said in a sneak peek of an appearance on Tamron Hall ...
It’s officially spooky season, a time for candy, horror movies and of course, haunted houses. Now, you may not believe in ghosts or the supernatural, but there are plenty of people who do.
An institutional review board (IRB), also known as an independent ethics committee (IEC), ethical review board (ERB), or research ethics board (REB), is a committee at an institution that applies research ethics by reviewing the methods proposed for research involving human subjects, to ensure that the projects are ethical. The main goal of IRB ...