Date:         Tue, 11 Mar 2008 16:17:21 -0400
Reply-To:     Bob_Abelson@HGSI.COM
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Bob_Abelson@HGSI.COM
Subject:      Re: age at diagnosis
In-Reply-To:  <200803112004.m2BGO16o026761@malibu.cc.uga.edu>
Content-Type: text/plain; charset=us-ascii

Annie,

Check this out:

http://support.sas.com/kb/24/808.html

Bob Abelson
HGSI
240 314 4400 x1374
bob_abelson@hgsi.com



"Annie Lee" <hummingbird10111@HOTMAIL.COM>
Sent by: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
03/11/2008 04:14 PM
Please respond to
"Annie Lee" <hummingbird10111@HOTMAIL.COM>


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Subject
age at diagnosis






what is the best way to calculate the age at diagnosis?
(dob & dx_date are both text variables)  Thank you!


data:

dob            dx_date

19341225       20071119
19201216       20071224
19531112       20071122


results:

Age_dx dob         dx_date
73 25Dec34        19Nov07
87 16Dec20        24Dec07
54 12Nov53        22Nov07