# Specify flag variable to include events that occurred in time at risk period

Select flag variable from AE domain table.

If the values in the specified variable are characters, a value of Y or YES is used for inclusion; if they are numeric a value of 1 is assumed to represent event inclusion. The AE records are then subsetted to include only event records that were flagged as occurring in the duration period for rate calculation.

Note: This option is available only when Specified Patient Time at Risk and Event Flag Variables has been specified using the Determine Time at Risk and Adverse Event inclusion from: option.

### To Specify the Flag Variable:

| 8 | Make sure that Specified Patient Time at Risk and Event Flag Variables has been specified using the Determine Time at Risk and Adverse Event inclusion from: option.

| 8 | Click to open the Add window, illustrating all of the study variables, shown below:

| 8 | Select one or more variables and click to add the variables to the text field.