Parameters | Pharmacovigilance | Categorical Strata Variables

Categorical Strata Variables
Use this field to specify one or more categorical variable from the data table to be used to define strata.
Specifying strata enables you to drill down to show within-strata estimates of requested statistics. The number of strata will reflect all possible combinations of levels from the categorical variables defined here as well as the groups defined in the Continuous Strata Variables field.
To Specify One or More Categorical Strata Variables:
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All of the variables in the input data set are displayed in the Available Variables field.
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Click to add the highlighted variable(s) to the Categorical Strata Variables field, as shown below:
In this example, specifying Gender as a categorical strata variable will generate analyses stratified by gender (Male, Female, Unknown).