Description

The date of the last encounter is needed for various types of analyses (e.g., survival analysis). The text below describes how to create a dataset with a variable containing the last encounter date for each subject.

How To

Create an "Output Interval":

Select the "Data Sets" main menu item
Select "Output Interval Group" and click the green plus icon
Provide a Name for the Output interval, such as "Most Recent Visit" (under the "Attributes" tab)
Click "Output Intervals" and the green plus icon
Setup the new interval as follows:
Click "Intervals" (left-hand side) and select ALL intervals
Click "Save and Return" in toolbar

Now that the Output Interval has been set up, create a data set and on the Attributes tab select the "Output Interval Group". Then, click the "Variable Finder" tab and select "Encounter System Variables", then select "Encounter Date" variable. The data set now has the date of the last encounter included. For more details watch the "Data Analysis" tutorials here.

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