Study population
The group of individuals in a study. In a clinical trial, the participants make up the study population. The study population might, for example, consist of all children under 2 years of age in a community.
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- Study, antro-duodenal motility
An antro-duodenal motility study is a study for detecting and recording the contractions of the muscles of the stomach and the first part of the small intestine, the duodenum. It is performed to diagnose problems with how the muscles of the stomach and small intestine are working. An antro-duodenal motility study requires the passage of […]
- Study, cross-sectional
A study done at one time, not over the course of time. A cross-sectional study a disease such as AIDS might be designed to learn its prevalence and distribution within the population at one point in time. Also known as a synchronic study.
- Study, crossover
A type of clinical trial in which the study subjects receive each treatment in a random order. In this type of study, every patient serves as his or her own control.
- Study, electrophysiologic
Electrophysiologic study of the heart.
- Study, gastric emptying
A gastric emptying study evaluates the emptying of food from the stomach. For a gastric emptying study, a patient eats a meal in which the solid food, liquid food or both are mixed with a small amount of radioactive material. A scanner (acting like a Geiger counter) is placed over the stomach to monitor the […]