Clinical SAS: Identify the overlap of dates in exposure intervals

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[@nayakbibhuti085]

Nicely explained , could please tell me if we have different type of AEterm will available with this AE dataset how how do I check overlap dates in between Startdate and stop date

[@mycsg]

could you please elaborate or rephrase the question... i didn't get your question

[@nayakbibhuti085]

We can make it by using lag function within 5 line

[@mycsg]

lag solution is not efficient when overlapping date records are not consecutive ... it may not even work...