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same data element used in different programs

To: DHIS 2 Users list <dhis2-users@xxxxxxxxxxxxxxxxxxx>
From: GROUT, Lise <groutl@xxxxxxx>
Date: Mon, 19 Sep 2016 09:21:51 +0000
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Thread-topic: same data element used in different programs

Dear users,
 
Hope you are fine. 
 
I am just looking for confirmation. I created a data element “classification” = new case/recurrent case (this actually applies to several data element, but let’s take this one as an example). As this question is common to different diseases at admission (to know if it is the first episode of the disease or not), I first used this same data element in this different disease-specific programs. 
 
But now I need confirmation that, in the analytical part, the aggregation is based on the couple program/data element, i.e. that I will be able to retrieve the number of new cases of disease A and the number of new cases of disease B separately. 
 
Can you advise if it is wiser to create one data element by program or if I can use the same data element across different program. I will never have to sum the new cases across different programs. But I wanted to reduce the multiplication of data elements. 
 
Thanks in advance,
 
Lise. 
 
 
Dr. Lise Grout
Epidemiologist
 
World Health Organization
Department of Neglected Tropical Diseases (HTM/NTD/IDM)
Innovative and Intensified Disease Management Unit
20, Avenue Appia; CH-1211 Geneva 27
Tel. +41 22 791 2341
Mobile +41 79 290 68 61
Skype: tigrouveto
http://www.who.int/neglected_diseases