Table 2.

The data mapping table of the FHIR^a ETL^b in this study.

Data model of HISc database	FHIR resource name	FHIR resource attribute	Description
Patient_ID	Patient	identifier	An identifier for the patient in the hospital
Patient_name	Patient	name	Patient’s name that is human-readable
Gender	Patient	gender	Patient’s gender
BirthDate	Patient	birthDate	Patient’s birth date
Practitioner_ID	Practitioner	identifier	An identifier for the physician in the hospital
Practitioner_name	Practitioner	name	Physician’s name that is human-readable
Organization_ID	Organization	identifier	An identifier for the department in the hospital
Organization_name	Organization	name	Department’s name that is human-readable
Location_ID	Location	identifier	An identifier for the location in the hospital
Location_name	Location	name	Location’s name that is human-readable
Heart rate	Observation	valueQuantity.value	Heart rate
Temperature	Observation	valueQuantity.value	Temperature
Respiratory rate	Observation	valueQuantity.value	Respiratory rate
Systolic blood pressure	Observation	valueQuantity.value	Systolic blood pressure
Diastolic blood pressure	Observation	valueQuantity.value	Diastolic blood pressure
Timestamp	Observation	effectiveDateTime	The created time of the value

^aFHIR: Fast Healthcare Interoperability Resources.

^bETL: Extract Transform Load.

^cHIS: healthcare information system.