Wednesday, March 08, 2006

st: string function

I have a large file with patient's labs. The lab variable contains the lab result (a number) with the units (for example mg/dl) included. There are many variations to the way the units are reported: they may be capitalized or in parentheses or the units themselves may contain numbers.

I would like to create a variable that includes only the lab result. And if possible a separate variable with the units.

Thanks, Andy

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