case comparison study case compeer study case history study case referent study retrospective study Study which starts with the identification of persons with the disease (or other outcome variable) o [..]

A study in which people with a disease (cases) are compared to people without the disease (controls) to see if their past exposures to chemicals or other risk factors were different.

An epidemiological study used to identify factors that may contribute to a medical condition by comparing the exposure to those factors by people who have the condition to the exposure of similar people who do not have the condition.

Studies which start with the Identification of Persons with a Disease of interest and a control (comparison, referent) group without the Disease. The relationship of an attribute to the Disease is exa [..]

Study that compares a group of persons with an outcome of interest (e.g., a disease, health condition, unintended drug response) to a control group of people without it. The two groups are compared fo [..]

A type of study that compares people who have a particular disease (the cases) with people who are healthy (the controls) and looks back over time to see if they have anything in common, such as their [..]