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Table 2 Portions of the concepts per group within the three use cases that could be mapped to ELGA template elements (total mappings versus mappings to structured elements)

From: Reusing data from HL7 CDA-based shared EHR systems for clinical trial conduct: a method for analyzing feasibility

 

Concepts in group

Concepts mapped

Concepts mapped to structured elements

Feasibility checking

   

 Demographics

5

5 (100%)

5 (100%)

 Medical history

8

7 (88%)

4 (50%)

 Diagnosis

4

3 (75%)

3 (75%)

 Procedure

3

1 (33%)

0 (0%)

 Findings

7

7 (100%)

7 (100%)

 Laboratory findings

41

41 (100%)

41 (100%)

 Medication

7

7 (100%)

7 (100%)

Patient identif. / recruitment

   

 Demographics

5

5 (100%)

5 (100%)

 Medical history

10

7 (70%)

4 (40%)

 Medical device

1

1 (100%)

0 (0%)

 Diagnosis

5

4 (80%)

4 (80%)

 Procedure

3

1 (33%)

0 (0%)

 Findings

25

18 (72%)

16 (64%)

 Laboratory findings

81

81 (100%)

81 (100%)

 Medication

9

8 (89%)

8 (89%)

 Scores & classification

9

9 (100%)

0 (0%)

 Patient characteristics

1

1 (100%)

1 (100%)

Trial execution

   

 Demographics

4

2 (50%)

2 (50%)

 ECG

9

0 (0%)

0 (0%)

 Adverse events

11

5 (45%)

5 (45%)

 Medical history

4

4 (100%)

1 (25%)

 Disease characteristics

2

2 (100%)

2 (100%)

 Disposition

2

0 (0%)

0 (0%)

 Patient reported outcome

3

2 (67%)

0 (0%)

 Vital signs

8

8 (100%)

7 (88%)

 Laboratory

57

57 (100%)

57 (100%)

 Lab data

6

6 (100%)

4 (67%)

 Concomitant medication

9

8 (89%)

8 (89%)

 Surgery

5

4 (80%)

0 (0%)

 Substance use

8

8 (100%)

0 (0%)

 Tumor resp.

5

3 (60%)

3 (60%)