Sentence examples for from which case from inspiring English sources

To achieve this, longitudinal epidemiological data for herds, from which case cattle were sampled, were made available from the APHIS database.

Regarding these patients as a part of the source population from which case patients could arise prevents a general selection bias and retains the internal and external validity of our study [ 25].

Controls should be representative of the source population from which cases arise, and are generally recruited from the community or health facilities where cases are enrolled.

qi = The CNP category frequencies in the population from which cases and controls are drawn.

A population-based study satisfies this principle by choosing a random sample of controls from the same population from which cases are selected.

A more extreme but convenient and cost-efficient design alternative, notably taken recently by the WTCCC [20], is the use of external controls that are collected independently with little reference to the population from which cases are selected.

One principle of classical epidemiologic study design is that the distribution of risk factors of interest in controls should be the same as the distribution in the population from which cases have been ascertained [13].

*The 2 hospitals and 1 diagnostic center from which case-patients were identified are designated as A, B, and C. Anti-HCV, antibody to hepatitis C virus; NA, not applicable.

†Register from which cases identified in Denmark ran until end of December 2009.

Another nuance of northern rates is the small underlying populations from which cases arise.

We aim to enroll controls that are representative of the population from which cases are drawn.