Table 2.
Number of Radiology Reports per Modality
| Modality | Prior | No Prior | No Mention | Total Count |
|---|---|---|---|---|
| Neuroangiography | 1,198 (10.50%) | 49 (0.43%) | 10,163 (89.07%) | 11,410 (100.00%) |
| Computed Radiography | 425,409 (41.90%) | 134,529 (13.25%) | 455,262 (44.85%) | 1,015,200 (100.00%) |
| Computed tomography | 105,454 (36.65%) | 93,731 (32.57%) | 88,586 (30.78%) | 287,771 (100.00%) |
| Magnetic resonance | 55,931 (28.28%) | 46,652 (23.59%) | 95,218 (48.14%) | 197,801 (100.00%) |
| Nuclear medicine | 392 (37.87%) | 246 (23.77%) | 397 (38.36%) | 1,035 (100.00%) |
| Mammography | 67,844 (77.42%) | 10,447 (11.92%) | 9,344 (10.66%) | 87,635 (100.00%) |
| Myocardial perfusion | 1,073 (4.35%) | 62 (0.25%) | 23,529 (95.40%) | 24,664 (100.00%) |
| PET | 477 (54.51%) | 250 (28.57%) | 148 (16.91%) | 875 (100.00%) |
| Radiofluoroscopy | 358 (5.50%) | 492 (7.55%) | 5,664 (86.95%) | 6,514 (100.00%) |
| Ultrasound | 32,507 (21.95%) | 49,238 (33.24%) | 66,374 (44.81%) | 148,119 (100.00%) |
| Angiography | 1,667 (34.09%) | 90 (1.84%) | 3,133 (64.07%) | 4,890 (100.00%) |
| Variousa | 1,645 (20.98%) | 1,242 (15.84%) | 4,953 (63.18%) | 7,840 (100.00%) |
| Total | 693,955 (38.69%) | 337,028 (18.79%) | 762,771 (42.52%) | 1,793,754 (100.00%) |
aConsists of breast MR, digital fluoroscopy, unspecified modalities, and miscellameous reports from the “other” modality.