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Re: st: CASE-CONTROL STUDY


From   David Airey <david.airey@vanderbilt.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: CASE-CONTROL STUDY
Date   Sat, 14 Mar 2009 11:43:53 -0500

.

PS... what is your signature text figure supposed to be? A dragon?


On Mar 14, 2009, at 11:28 AM, Ishay Barat wrote:

HELLO



I've got a data set containing about 2500 patients, of which 300 have my interest (Group A).

I would like to extract a sample of 900 patients (Group B) out of the data set that match Group A in age, sex and some other parameters. A Classical Case-Control study with 3 controllers for each case.



Is anybody have a clue how the syntax look like??






*¸..· ´¨)) -:¦:-        *
  ¸.·´ .
(( -:¦:- * Ishay *  -:¦:-
  ´·..          ..·´
             ((¸¸.·´* -:¦:-
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