Table 3.
Occurrences of types of RadLex Terms in Radiological Queries
| RadLex term category | Term count (% of all terms) | Mean number of terms | SD number of terms | RadLex terms not used (%) |
|---|---|---|---|---|
| Anatomic location | 471 (24.4%) | 1.9 | 0.7 | 3,403 (75.6%) |
| Diseases | 1,034 (53.7%) | 1.6 | 0.8 | 1,382 (46.3%) |
| Findings/modifiers | 367 (19.1%) | 1.1 | 0.3 | 425 (80.9%) |
| Image acquisition, processing, and display | 0 | – | – | 0 |
| Treatment | 49 (2.5%) | 1.4 | 0.6 | 241 (97.5%) |
| Image quality | 0 | – | – | 4 (100%) |
| Relationship | 4 (0.2%) | 1.3 | 0.4 | 11 (99.8%) |
| Teaching attribute | 2 (0.1%) | 1.0 | 0 | 10 (99.9%) |
| Uncertainty | 0 | – | – | 10 (100%) |
Number of unique RadLex terms (and percentage of the total) contained in user queries. The mean and SD of the number of RadLex terms contained in user queries mapping to RadLex are also shown. The last column shows the number (and percentage) of RadLex terms that were not used in user queries