What is a retrospective research study?
What is a retrospective study in research design?
Listen to pronunciation. (REH-troh-SPEK-tiv STUH-dee) A study that compares two groups of people: those with the disease or condition under study (cases) and a very similar group of people who do not have the disease or condition (controls).
What is the purpose of a retrospective study?
Retrospective studies help define prognostic factors to be used so that the therapeutic strategy may vary depending on the predicted risks. Those studies are extremely helpful to assess the feasibility of prospective studies and to help in their design.
Is a retrospective study a research study?
Abstract. A retrospective study uses existing data that have been recorded for reasons other than research. A retrospective case series is the description of a group of cases with a new or unusual disease or treatment.
What is the difference between a retrospective study and a prospective study?
In prospective studies, individuals are followed over time and data about them is collected as their characteristics or circumstances change. Birth cohort studies are a good example of prospective studies. In retrospective studies, individuals are sampled and information is collected about their past.
How do you identify a retrospective study?
In a retrospective study, the outcome of interest has already occurred at the time the study is initiated. A retrospective study design allows the investigator to formulate ideas about possible associations and investigate potential relationships, although causal statements usually should not be made.
Is retrospective study same as cohort?
Like prospective cohort studies retrospective cohort studies classify study participants on the basis of whether or not they were exposed to the factor under investigation. However, in retrospective studies, the research is initiated after both the exposure and the outcome (e.g., disease) have already occurred.
What are the advantages of a retrospective study design?
The advantages of retrospective cohort studies are that they are less expensive to perform than cohort studies and they can be performed immediately because they are retrospective. Also due to this latter aspect, their limitation is: poor control over the exposure factor, covariates, and potential confounders.
Is retrospective study primary research?
Examples of primary sources in nursing: Original research or experiments. Prospective studies. Retrospective Studies.
Is retrospective study an observational study?
Retrospective observational studies are non-randomised, non-interventional analyses of existing data relating to patients, care received and outcomes.
What is a retrospective study give your own example?
In a retrospective study, in contrast, a sample is selected and the researcher looks back at the history of the members of this sample. A researcher might examine the medical histories of 1000 elderly women to identify the causes of health problems.
What is the difference between case-control study and retrospective study?
Case control study inspects individuals by outcome/disease status. But, the retrospective cohort study inspects individuals by their exposure status.