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Table 1 Statistics of CMDO

From: Clinical MetaData ontology: a simple classification scheme for data elements of clinical data based on semantics

First-level class

CMDO level

Number of child terms for each level in each class

Number (%) of child terms for each first-level class

Description

1

1

60 (31.9)

2

10

3

9

4

38

5

1

6

1

Event

1

1

15 (8.0)

2

11

3

3

Finding

1

1

82 (43.6)

2

16

3

40

4

22

5

3

Procedure

1

1

31 (16.5)

2

14

3

12

4

4

Total

188