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Earlier last week, my colleague , in which he proposed the idea of "embedded keys" at 01:45 How would James, the fictitious forms designer, do to build a data capture form with these embedded keys?
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In conclusion, the "embedded keys" will not only serve as the conduit to the healthcare link side of interoperability, they can also be used to tie conceptual ideas (knowledge) to the physical implementations (SDTM). This way, it doesn't really matter the verbiages used on a CRF because the c-codes uphold the underlying semantics.
References:
- CDISC Variable Terminology on NCI Thesaurus: http://ncit.nci.nih.gov/ncitbrowser/ajax?action=values&vsd_uri=http://evs.nci.nih.gov/valueset/C83187
- NCI Metathesaurus: http://ncimeta.nci.nih.gov/ncimbrowser/
- Blood Pressure concept and relationships on NCI Metathesaurus: http://ncimeta.nci.nih.gov/ncimbrowser/pages/concept_details.jsf?dictionary=NCI%20MetaThesaurus&code=C0005823&type=relationship
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