Composite CDE: modeling composite relationships between common data elements for representing complex clinical data

Table 4 Numbers of atomic and composite CDEs extracted from 14 FHIR resources of FHIR bulk sample data

#	FHIR Resource	^aCDE	^bcCDE ^c (aCDE)	^d aCDE	^e cCDE + aCDE
1	AllergyIntolerance	13	2 (13)	0	2
2	CarePlan	18	4 (15)	3	7
3	Claim	21	5 (13)	6	11
4	Condition	13	2 (13)	0	2
5	DiagnosticReport	13	3 (9)	4	7
6	Encounter	15	4 (15)	0	4
7	Goal	4	1 (4)	0	1
8	ImagingStudy	23	3 (14)	11	14
9	Immunization	12	1 (4)	8	9
10	MedicationRequest	14	3 (14)	0	3
11	Observation	22	5 (18)	4	9
12	Organization	15	4 (15)	0	4
13	Patient	42	8 (29)	8	16
14	Procedure	13	3 (13)	0	3
^f Total No. of CDEs		238	48 (194)	44	92
^g No. of unique CDEs		96	28 (75)	21	49

^a No. of CDEs extracted from each FHIR resource sample data
^b No. of cCDEs created for each FHIR resource sample data
^c No. of aCDEs contained in ^bcCDEs
^d No. of remaining aCDEs that are not contained in any of the cCDEs in each FHIR resource sample data
^e Total no. of CDEs consisting of ^bcCDEs and ^daCDEs that are not contained in any of the cCDEs in each FHIR resource sample data
^f Total no. of CDEs across 14 FHIR resources
^g Total no. of unique CDEs across 14 FHIR resources

ISSN: 1472-6947