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Table 9 Distribution of UMLS semantic groups assigned to outcomes

From: Mining characteristics of epidemiological studies from Medline: a case study in obesity

Semantic group

Frequency

%

Disorders

21,809

54.0

Concepts/ideas

7,277

18.0

Physiology

3,810

9.4

Procedures

1,697

4.2

Living beings

1,616

4.0

Activities/behaviors

1,413

3.5

Chemicals/drugs

990

2.4

Anatomy

577

1.4

Objects

314

0.7

Genes/molecular

265

0.6

Phenomena

250

0.6

Geographic areas

137

0.3

Occupations

102

0.2

Organizations

36

0.0

Devices

28

0.0

Other

16

0.0