Definition of a case control study

Case–control study - Wikipedia

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case-control study a nonexperimental research design using an epidemiological approach in which previous cases of the condition are used in lieu of new information gathered from a randomized population. A group of patients with a particular disease or disorder, such as myocardial infarction, is compared with a control group of persons who have not had ...

Case–control study - Wikipedia

Case-control study | definition of case-control study by ...

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Definition A study that compares patients who have a disease or outcome of interest (cases) with patients who do not have the disease or outcome (controls), and looks back retrospectively to compare how frequently the exposure to a risk factor is present in each group to determine the relationship between the risk factor and the disease.

Case-control study | definition of case-control study by ...

Case-Control Study: Definition, Real Life Examples ...

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an epidemiologic method that begins by identifying people with the disease or condition of interest (the cases) and compares their past history of exposure to identified or suspected risk factors with the past history of similar exposures among those who resemble the cases but do not have the disease or condition of interest (the controls).

Case-Control Study: Definition, Real Life Examples ...

Case Control - Study Design 101 - himmelfarb.gwu.edu

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A case-control study is designed to help determine if an exposure is associated with an outcome (i.e., disease or condition of interest). In theory, the case-control study can be described simply. First, identify the cases (a group known to have the outcome) and the controls (a group known to be ...

Case Control - Study Design 101 - himmelfarb.gwu.edu

Case control study | definition of case control study by ...

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Freebase (0.00 / 0 votes) Rate this definition:. Case-control study. A case-control study is a type of study design used widely, often in epidemiology. It is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute.

Case control study | definition of case control study by ...

Epidemiology in Practice: Case-Control Studies

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Yet, unless a second comparative group serving as a control is present, these studies are defined as case-series. The next step in strengthening an observation from a case-series is selecting appropriate control groups to conduct a cohort or case-control study, the latter which is discussed in the following section about case-control studies. 9

Epidemiology in Practice: Case-Control Studies

What does Case-control study mean? - Definitions.net

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Case-control studies also are used for diseases that have long latent periods (long durations between exposure and disease manifestation) and are ideal when multiple potential risk factors are at play. The primary challenge in designing a case-control study is the appropriate selection of cases and controls.

What does Case-control study mean? - Definitions.net

Observational Studies: Cohort and Case-Control Studies

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case-control study listen (kays-kun-TROLE 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).

Observational Studies: Cohort and Case-Control Studies

Case-control study | epidemiology | Britannica.com

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Case Control Study; Case Reports; Definition A study design where one or more samples (called cohorts) are followed prospectively and subsequent status evaluations with respect to a disease or outcome are conducted to determine which initial participants exposure …

Case-control study | epidemiology | Britannica.com

Definition of case-control study - NCI Dictionary of ...

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Definition of Case-control study in the Legal Dictionary - by Free online English dictionary and encyclopedia. What is Case-control study? Meaning of Case-control study as a legal term. What does Case-control study mean in law?

Definition of case-control study - NCI Dictionary of ...

Cohort Study - Study Design 101 - himmelfarb.gwu.edu

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5/26/2004 · I think it does. The standard index of risk calculated from case-control studies is the odds ratio (OR), whilst that from a cohort study is the relative risk (RR). Using incidence-density sampling in a case-control study is becoming more common, and makes it …

Cohort Study - Study Design 101 - himmelfarb.gwu.edu

Case-control study legal definition of Case-control study

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6/10/2014 · • Case Control Studies or Retrospective Cohort • Case Series (Lowest Validity) Meta-analysis is the process of taking results from multiple different studies and combining them to reach a ...

Case-control study legal definition of Case-control study

What is a case-control study? | International Journal of ...

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In the social sciences and life sciences, a case study is a research method involving an up-close, in-depth, and detailed examination of a subject of study (the case), as well as its related contextual conditions.. Case studies can be produced by following a formal research method. These case studies are likely to appear in formal research venues, as journals and professional conferences ...

What is a case-control study? | International Journal of ...

Cohort, Case-Control, Meta-Analysis, Cross-sectional Study ...

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In contrast, the matched case-control study has linked a case to a control based on matching of one or more variables.The summary table will differ for a matched case-control study. Let's look at an example. Suppose we plan to match cases to controls by gender and age (+/- 5 years).

Cohort, Case-Control, Meta-Analysis, Cross-sectional Study ...

Case study - Wikipedia

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Definition. A nested case-control study is a type of case-control study that draws its cases and controls from a cohort population that has been followed for a period of time. Explanation. A nested-case control study depends on the pre-existence of a cohort that has been followed over time. This cohort, at its inception or during the course of ...

Case study - Wikipedia

6.5 - Case-Control Study Design | STAT 507

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11/19/2013 · What makes a cohort vs. a case-control study? Find out in this video.

6.5 - Case-Control Study Design | STAT 507

Chapter 8. Case-control and cross sectional studies | The BMJ

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Case-control study. Case-control studies start with the outcome of interest, for example, a disease, and then look backward in time to detect possible causes or risk factors for that disease. 21 A case-control study answers the question of “what happened” and is retrospective. The study group is comprised of individuals who have the disease ...

Chapter 8. Case-control and cross sectional studies | The BMJ

Nested Case-Control - CLIO: CLIO Learning Modules

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8/22/2016 · Retrospective Case-Control Study. Case-control studies involve two groups of people: people who have the disease (cases) and those who do not (controls). A retrospective case-control uses these two groups and looks back to the past for data and possible risk factors. A matched case-control study chooses controls based on some matching factor ...

Nested Case-Control - CLIO: CLIO Learning Modules

Epidemiology Study Types: Cohort and Case-Control - YouTube

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Analysis of Case-Control Studies The odds ratio (OR) is used in case-control studies to estimate the strength of the association between exposure and outcome. Note that it is not possible to estimate the incidence of disease from a case-control study unless the study is population based and all cases in a defined population are obtained.

Epidemiology Study Types: Cohort and Case-Control - YouTube

Case-control study - an overview | ScienceDirect Topics

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Case-control study study guide by Jww8508 includes 79 questions covering vocabulary, terms and more. Quizlet flashcards, activities and games help you improve your grades.

Case-control study - an overview | ScienceDirect Topics

Retrospective Study: Case-Control and Case-Series ...

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A nested case-control study is a case control nested inside of a cohort study. The procedure begins like a normal cohort study, however, as participants develop the outcome of interest they are selected as cases. Once the cases are identified, controls are selected and matched to each case.

Retrospective Study: Case-Control and Case-Series ...
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