Table 1.
General metrics on the three extracted modules of SNOMED-CT
| |
|
Present and absent |
Chronic findings |
Acute findings |
|---|---|---|---|---|
| clinical findings | ||||
| Target entities |
|
Classes whose labels |
Classes whose labels |
Classes whose labels |
| |
|
have the keywords |
have the keywords |
have the keywords |
| |
|
“present” or “absent” |
“chronic” |
“acute” |
| Axioms |
|
5 065 |
20 688 |
19 812 |
| Classes |
|
1 687 |
6 842 |
6 599 |
| Object properties |
|
16 |
25 |
25 |
| Mean class hierarchy depth | 9.76 | 11.2 | 10.09 |