I think DV_QUANTITY is the option here. Someone could argue that % is not a proper unit, but it is, both in UCUM and SNOMED CT.
DV_PROPORTION should be only used when you want to maintain the numerator and denominator explicitly separated, as a fraction, which should not be the case with percentages. But it is true that the definition of the type attribute in the specification is a bit misleading: "Indicates semantic type of proportion, including percent, unitary etc." El jue., 3 ene. 2019 a las 7:59, Bakke, Silje Ljosland (< silje.ljosland.ba...@nasjonalikt.no>) escribió: > Hi everyone, happy new year! > > > > We’ve just hit a question about modelling choices, how to represent > percentages. We have a data type DV_PROPORTION, which can be used to > represent any proportion such as a fraction or a percentage, and we have > the DV_QUANTITY data type which can have % as the unit. In most existing > archetypes such as the OBSERVATION.pulse_oximetry archetype, we’ve used the > DV_PROPORTION data type for the percent elements, while for some reason in > the draft EVALUATION.alcohol_consumption_summary archetype we’ve chosen > DV_QUANTITY with the unit ‘%’ for the “Strength” element. > > > > We’ve had a look at the data types documentation ( > https://specifications.openehr.org/releases/RM/latest/data_types.html), > and we can’t really find any guidance in the examples there. Is there any > guidance about this anywhere else? Does anyone have any opinions about when > to use each data type for percentages? > > > > Kind regards, > *Silje Ljosland Bakke* > > > > Information Architect, RN > > Coordinator, National Editorial Board for Archetypes > Nasjonal IKT HF, Norway > > Tel. +47 40203298 > > Web: http://arketyper.no / Twitter: @arketyper_no > <https://twitter.com/arketyper_no> > > > _______________________________________________ > openEHR-technical mailing list > openehr-techni...@lists.openehr.org > > http://lists.openehr.org/mailman/listinfo/openehr-technical_lists.openehr.org > -- David Moner Cano Web: http://www.linkedin.com/in/davidmoner Twitter: @davidmoner Skype: davidmoner
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