Nineteen percent of the patients had suffered a tear in an artery, most often in the carotid (neck) artery, and 17 percent had suffered an aneurysm (a bulge in an artery), most often in the renal (kidney) artery, the study authors reported in a symposium news release.
and analyzed with no less care than studies intended to examine risk-fac-tor associations with cancer. If proper care is not taken, descriptive studies will divert scientific resources, especially public health department resources, away from more productive activities. Descriptive epidemiology studies can also be used to evaluate cancer
It is a highly quantitative discipline based on principles of statistics and research methodologies. Epidemiology Key Terms and Core Concepts â¢ Distribution: Epidemiologists study the distribution of frequencies and patterns of health events within groups in a population.sing descriptive epidemiology, epidemiologists characterize health events in terms of time, place, and person.â¢ Determinants: Epidemiologists search for causes or factors that are associated with increased risk or probability of disease.