Representing a Real value in openEHR

David Moner damoca at gmail.com
Tue Mar 17 07:02:57 EDT 2015


That's true Daniel, to be completely compliant with UCUM it seems the unit
should be defined as 1 and not as an empty string.

http://unitsofmeasure.org/ucum.html#section-Examples-for-some-Non-Units.

2015-03-17 11:55 GMT+01:00 Daniel Karlsson <daniel.karlsson at liu.se>:

> Hi,
> what about the unit 1 (uno) for dimensionless quantities?
> http://goldbook.iupac.org/D01742.html
>
> /Daniel
>
>
> On tis, 2015-03-17 at 11:43 +0100, Diego Boscá wrote:
> > Qualified Real is a property from the domain type, not the type
> > itself, I thought the idea was to get rid of domain types in the
> > future.
> >
> > 2015-03-17 11:23 GMT+01:00 Ian McNicoll <ian at freshehr.com>:
> > > 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
> > > mobile +44 (0)775 209 7859
> > > office +44 (0)1536 414994
> > > skype: ianmcnicoll
> > > email: ian at freshehr.com
> > > twitter: @ianmcnicoll
> > >
> > > 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)
> > >>
> > >> _______________________________________________
> > >> openEHR-clinical mailing list
> > >> openEHR-clinical at lists.openehr.org
> > >>
> > >>
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> > >
> > >
> > >
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-- 
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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