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st: First instance of starting and stopping drug
From
"Paul O'Brien" <[email protected]>
To
[email protected]
Subject
st: First instance of starting and stopping drug
Date
Thu, 13 Mar 2008 08:26:00 +0000
We have a database of patients on and off a drug in the long form,
some stopping before starting later. I want to do a survival analysis
on the first instance of starting and stopping use under our care, but
have difficulty isolating the first episode of use.
Any help appreciated.
Paul
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