Table 7 Comparison of our proposed semantic types and constraints with the FHIR Questionnaire resource and the other FHIR resources
CDE Semantic Type | FHIR Questionnaire | FHIR other resources | |
|---|---|---|---|
aCDE | Hybrid | No, it does not support the entry of multiple types of data. | Not applicable, there is no restriction on the datatype as it is represented JSON, XML. |
Variable | Yes, it is supported by “coding”. | Yes, it is supported by “coding”. | |
cCDE | General | Yes, it is supported because the FHIR is following a structured model. | Yes, it is supported because the FHIR is following a structured model. |
Repeated | Yes, it is supported by “repeats”. | Yes, it is supported because the FHIR is allowing repeated representation of the group of items. | |
Dictionary | Not applicable, it does not support any value related rule. | Not applicable, it does not support any value related rule. | |
Constraint | Operated | Allowing only logical operations. | Only resources that have the “operator” are supported (e.g., Observation Resouce). |
Required | Yes, it is supported by “required”. | Yes, it is supported by “required”. | |
Dependent | Not applicable, it does not support any value related rule. | Not applicable, it does not support any value related rule | |
Ordered | Although not explicit, it is included in the structure. | Only resources that have “sequences” are supported (e.g., Claim Resouce) | |