Article
GECCO on FHIR – Towards Interoperable Data on COVID-19
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Published: | September 24, 2021 |
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As part of the NUM CODEX project, we have developed a workflow for data collection and transformation of patients suffering from COVID-19. Based on the GECCO dataset, electronic Case Report Forms (eCRFs) were designed for the electronic data capture (EDC)-Systems REDCap and DIS. Their standard CDISC ODM output was subsequently mapped and transformed into FHIR resources. These adhere to the FHIR profiles, value sets, and code systems outlined in the GECCO FHIR implementation guide. In the following, we first provide an overview of the NUM CODEX project and the GECCO dataset. We then depict how our workflow fits within the overarching project architecture: As a basis for the REDCap and DIS eCRFs, we created a data dictionary from the (logical) GECCO definitions in ART-DECOR. We present how individual data items have been implemented in the data dictionary, show the generated eCRF as well as the resulting CDISC ODM export. Finally, we show a dedicated mapping tool to transform the CDISC ODM into FHIR resources. We describe our approach to map single data items onto respective FHIR resources and how this mapping was actually implemented in the tool. Our approach allows for the combination of different strategies (e.g. manual vs automatic) and different EDC systems (REDCap vs DIS) for data collection of COVID-19 patients and the possibility of merging the data with other FHIR resources. This strategy offers flexibility and is easy to implement for all university clinics as part of NUM CODEX.
The authors declare that they have no competing interests.
The authors declare that an ethics committee vote is not required.
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