Representing a Real value in openEHR

Ian McNicoll ian at freshehr.com
Tue Mar 17 06:23:11 EDT 2015


Hi David,

Qualified Real is the current preferred option (for me anyway). I think we
have flagged up in the spec CRs that proper support for Real would be
helpful as Qualified real is somewhat obscure.

So - agree with your request.

Ian



Dr Ian McNicoll
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Director, freshEHR Clinical Informatics
Director, openEHR Foundation
Director, HANDIHealth CIC
Hon. Senior Research Associate, CHIME, UCL

On 17 March 2015 at 10:09, David Moner <damoca at gmail.com> wrote:

> Hello,
>
> It might seem a very basic question, but I couldn't find an appropriate
> answer anywhere. Which is the best way to model a single Real number in
> openEHR? For example, a result of a score.
>
> I have found two possible options:
>
> - Use a DV_QUANTITY, with the "Qualified Real" property, that sets the
> units to an empty String. This approach is used in the "Harris Hip Score"
> archetype (http://www.openehr.org/ckm/#showArchetype_1013.1.1873)
>
> - Use a DV_PROPORTION, with the PROPORTION_KIND set to Unitary. This
> approach is used in the "Waist and hip circumference" archetype (
> http://www.openehr.org/ckm/#showArchetype_1013.1.332)
>
> In both cases, it seems we are forcing to use a data type that does not
> really fit for purpose. Why don't we have something similar as the
> DV_COUNT, but representing a real number and not an integer? Something
> equivalent to the REAL data type in ISO 21090
>
> David
>
>
>
>
> --
> David Moner Cano
> Grupo de Informática Biomédica - IBIME
> Instituto ITACA
> http://www.ibime.upv.es
> http://www.linkedin.com/in/davidmoner
>
> Universidad Politécnica de Valencia (UPV)
> Camino de Vera, s/n, Edificio G-8, Acceso B, 3ª planta
> Valencia – 46022 (España)
>
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