Sentence examples for enrollment of cases from inspiring English sources

In 2012, a group of experts met to review recent experience with case-control studies evaluating the effectiveness of several vaccines; here we summarize the recommendations of that group regarding best practices for planning, design and enrollment of cases and controls.

To minimize selection bias, a dedicated study team (rather than regular hospital staff) will manage the detection, selection, and enrollment of cases at most sites.

Thus, we designed EAGLE to be as close as possible to a really comprehensive population-based study through enrollment of cases in a defined set of hospitals, which examine approximately 80% of all lung cancer cases from the catchment area.

Because in most sites the incidence of pneumonia is highly seasonal and the pathogens that cause pneumonia are also seasonal, we debated whether to match controls to the dates of enrollment of cases or to recruit controls at a constant rate throughout the year.

Similar to other population-based studies of pancreatic cancer, a large number of patients had died prior to initial contact due to the aggressive nature of the disease, despite use of rapid case ascertainment methods at UCSF and enrollment of cases at diagnosis at MDACC.

Additional limitations were enrollment of case-patients and controls from referral hospitals and the use of matching.

Sensitivity is determined largely by the placement of the surveillance system within the healthcare system and the completeness of enrollment of case-patients.

We calculated odds ratios (ORs) and 95% confidence intervals (CIs) by using conditional univariate logistic regression that accounted for matched enrollment of case-patients and controls (22 ).

Of patients without AIDS criteria at enrollment, percentage of cases and mean time of progression to first AIDS event were calculated.

PERCH ultimately decided to enroll community controls and an additional human immunodeficiency virus (HIV infected control group at high HIV-prevalence sites matched on age and enrollment date of cases; controls with symptoms of URTI or nonsevere pneumonia will not be excluded.

For study hospitals that did not have a central review committee, we followed two procedures: (1) we identified study collaborators who were available in the clinics for enrollment of IBC cases and (2) we asked study collaborators to notify clinic physicians who were not collaborators to refer IBC cases to study collaborators.