Table 2.
Number of images per view in two-view examinations
| Images per view | DR systems |
Film-screen systems |
CR systems |
|||
|---|---|---|---|---|---|---|
| OB | CC | OB | CC | OB | CC | |
| 1 | 369 (2.4%) | 360 (2.3%) | 173 (1.9%) | 155 (1.7%) | 41 (10.4%) | 39 (9.8%) |
| 2 | 14,728 (95.6%) | 14,915 (96.8%) | 8823 (94.7%) | 9088 (97.5%) | 355 (89.6%) | 357 (90.2%) |
| 3 | 243 (1.6%) | 94 (0.6%) | 148 (1.6%) | 49 (0.5%) | – | – |
| 4 | 58 (0.4%) | 31 (0.2%) | 156 (1.7%) | 25 (0.3%) | – | – |
| 5 | 2 (0.0%) | – | 8 (0.1%) | 1 (0.0%) | – | – |
| 6 | 3 (0.0%) | 3 (0.0%) | 11 (0.1%) | 2 (0.0%) | – | – |
| 7 | – | – | – | – | – | – |
| 8 | – | – | 1 (0.0%) | – | – | – |
CC, craniocaudal; CR, computed radiography; DR, digital radiography; OB, oblique projection.