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 — 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 study — comparison of a group of people who have a disease with another group free from that disease, in terms of variable in their backgrounds (e.g. cigarette smoking in those who have died from lung cancer and in those dying from other causes). In the… …   Medical dictionary

• Изучение Случаев Заболевания Контрольное (Case Control Study) — сравнение группы людей, страдающих тем или иным заболеванием, с представителями другой группы, в которой данное заболевание отсутствует, для выявления колебаний их фона (например, влияние сигаретного дыма на тех, кто умер от рака легкого, и на… …   Медицинские термины

• 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

• Control engineering — Control systems play a critical role in space flight Control engineering or Control systems engineering is the engineering discipline that applies control theory to design systems with predictable behaviors. The practice uses sensors to measure… …   Wikipedia

• Control chart — One of the Seven Basic Tools of Quality First described by Walter A. Shewhart …   Wikipedia

• Control reconfiguration — is an active approach in control theory to achieve fault tolerant control for dynamic systems [1]. It is used when severe faults, such as actuator or sensor outages, cause a break up of the control loop, which must be restructured to prevent… …   Wikipedia

• Control Risks Group — Control Risks is a global risk and strategic consulting firm specialising in political, security and integrity risk. Control Risks’ aim is to help its clients to understand and manage the risks of operating in complex or hostile environments.… …   Wikipedia

• case-control study — retrospective s …   Medical dictionary

• control — 1. (v.) To regulate, restrain, correct, restore to normal. 2. (n.) Ongoing operations or programs aimed at reducing a disease. 3. (n.) Members of a comparison group who differ in disease experience or allocation to a regimen from the subjects of… …   Medical dictionary