nested case-control study

См. также в других словарях:

• Nested case-control study — A nested case control study is a variation of a case cohort study in which only a subset of controls from the cohort are compared to the incident cases. In a case cohort study, all incident cases in the cohort are compared to a random subset of… …   Wikipedia

• nested case-control study — lizdinis atvejo ir kontrolės tyrimas statusas T sritis biomedicinos mokslai apibrėžtis ↑Atvejo ir kontrolės tyrimas, kurio tiriamos grupės sudaromos iš ↑kohortinio tyrimo kontingento. Taip parengus tyrimą mažinamas tam tikrų ↑iškraipančiųjų… …   Lithuanian dictionary (lietuvių žodynas)

• nested case-control study — a case control study nested within a cohort study: a population is identified and baseline data obtained and stored; after following the cohort for some time, a case control study is performed using the small percentage of people who develop the… …   Medical dictionary

• Case-control — is a type of epidemiological study design. Case control studies are used to identify factors that may contribute to a medical condition by comparing subjects who have that condition (the cases ) with patients who do not have the condition but are …   Wikipedia

• Case study — This article is about the method of doing research. For the teaching method, see Case method. For the method of teaching law, see Casebook method. A case study is an intensive analysis of an individual unit (e.g., a person, group, or event)… …   Wikipedia

• Case series — A case series (also known as a clinical series) is a medical research descriptive study that tracks patients with a known exposure given similar treatment[1] or examines their medical records for exposure and outcome. It can be retrospective or… …   Wikipedia

• Study design — A study design is an analytic approach to conduct an epidemiological investigation, such as a clinical trial. Types of designSome of the most popular designs are sorted below, with the ones at the top being the most powerful at reducing observer… …   Wikipedia

• Cohort study — For other senses of this word, see cohort (disambiguation). A cohort study or panel study is a form of longitudinal study (a type of observational study) used in medicine, social science, actuarial science, and ecology. It is an analysis of risk… …   Wikipedia

• Clinical study design — is the formulation of trials and experiments in medical and epidemiological research, sometimes known as clinical trials. Many of the considerations here are shared under the more general topic of design of experiments but there can be others, in …   Wikipedia

• Cross-sectional study — Cross sectional studies (also known as Cross sectional analysis) form a class of research methods that involve observation of all of a population, or a representative subset, at one specific point in time. They differ from case control studies in …   Wikipedia

• Scientific control — Take identical growing plants and give fertilizer to half of them. If there are differences between the fertilized plant group and the unfertilized control group, these differences may be due to the fertilizer. Scientific control allows for… …   Wikipedia