Descriptive Information

Centres

Select required centres and year range for each.
A centre maybe selected more than once with different year ranges.
Year range defaults to 1995 or first year of data available if later, to the most recent year of data available.

Centre Start Year End Year

Case Definition: Signal Anomalies

You can specify upto five signal anomaly groups, each group can include one or more anomaly subgroups (joined by OR).
These signal anomalies will be “cases” in the case-control analysis - up to 5 case definitions are separately analysed.

Please select at least one anomaly
Group Label Anomalies

Exposure definition: Medications of Interest Groups

You can specify up to five medication groups, each group can include one or more ATC code or ATC code range.

Group Label ATC code

Similar Medications for Exclusion from Unexposed

You can specify ATC codes or ATC code ranges for similar medications to exclude. Unexposed registrations with matching medication ATC will be excluded from both cases and controls. Co-exposures with the medications of interest will not be excluded.

ATC code

Medications for Exclusion

You can specify ATC codes or ATC code ranges. Registrations with matching medication ATC will be excluded from both cases and controls, whether exposed or not.

ATC code