Date:         Tue, 11 Mar 2008 16:04:52 -0400
Reply-To:     Annie Lee <hummingbird10111@HOTMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Annie Lee <hummingbird10111@HOTMAIL.COM>
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