Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Investigative Techniques > Epidemiologic Methods > Epidemiologic Study Characteristics > Epidemiologic Studies Terms and Definitions




Epidemiologic Studies

Medical Definition: Studies designed to examine associations, commonly, hypothesized causal relations. They are usually concerned with identifying or measuring the effects of risk factors or exposures. The common types of analytic study are CASE-CONTROL STUDIES; COHORT STUDIES; and CROSS-SECTIONAL STUDIES.
Guide Notes: exam & anal of data leading to epidemiol conclusions: differentiate from EPIDEMIOLOGY, the specialty; GEN or unspecified; prefer specifics; DF: EPIDEMIOL STUDIES
Previously Indexed: Epidemiology (1967-1997)
Epidemiologic Studies Categories.
Canadian Medical Guide Definition Case-Control Studies - Studies which start with the identification of persons with a disease of interest and a control (comparison, referent) group without the disease. The relationship of an attribute to the disease is examined by comparing diseased and non-diseased persons with regard to the frequency or levels of the attribute in each group.
Canadian Medical Guide Definition Cohort Studies - Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.
Canadian Medical Guide Definition Cross-Sectional Studies - Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.
Canadian Medical Guide Definition Seroepidemiologic Studies - EPIDEMIOLOGIC STUDIES based on the detection through serological testing of characteristic change in the serum level of specific ANTIBODIES. Latent subclinical infections and carrier states can thus be detected in addition to clinically overt cases.

Epidemiologic Studies Medical Definitions and Terms

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