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Table 2 Eligibility criteria distribution according to semantic categories

From: Evaluation of data completeness in the electronic health record for the purpose of patient recruitment into clinical trials: a retrospective analysis of element presence

 

Luo et. al.

      This research

 

[%]

[%]

n

Health Status

43.72

45.04

318

 Disease, Symptom and Sign

29.21

22.52

159

 Pregnancy-related activity

5.17

5.24

37

 Neoplasm status

3.67

3.40

24

 Disease stage

2.20

2.27

16

 Allergy

2.15

5.95

42

 Organ or tissue status

0.73

5.38

38

 Life expectancy

0.59

0.28

2

Treatment or Health Care

20.74

17.56

124

 Pharmaceutical substance or drug

12.84

7.37

52

 Therapy or surgery

7.61

10.20

72

 Device

0.29

-

0

Diagnostic or lab test

14.85

19.41

137

 Diagnostic or lab results

14.63

19.41

137

 Receptor status

0.22

-

0

Demographics

8.79

4.67

33

 Age

5.91

2.69

19

 Special patient characteristic

1.18

0.42

3

 Literacy

0.65

0.28

2

 Gender

0.41

1.27

9

 Address

0.35

-

0

 Ethnicity

0.29

-

0

Ethical Consideration

8.52

8.64

61

 Consent

2.76

2.55

18

 Enrolment in other studies

2.38

1.27

9

 Capacity

1.50

3.54

25

 Patient preference

1.38

0.57

4

 Compliance with protocol

0.50

0.71

5

Lifestyle Choice

3.38

1.56

11

 Addictive behaviour

2.09

1.42

10

 Bedtime

0.47

-

0

 Exercise

0.44

-

0

 Diet

0.38

0.14

1

no fitting category

-

3.12

22

  1. Detailed legend: Distribution of the 706 patient characteristics from 15 clinical trials according to the semantic categories developed by Luo et al. and comparison with the distribution obtained by Luo et al. for 4821 eligibility criteria.