Motivations/First exam Requested | No response | Efficient | Essential | Available | Costless | Other |
No response | 1 | 0 | 0 | 0 | 0 | 0 |
X ray | 2 | 57 | 40 | 87 | 40 | 4 |
CT | 0 | 8 | 1 | 5 | 2 | 1 |
MR | 0 | 1 | 0 | 1 | 0 | 0 |
PET Scan | 0 | 2 | 0 | 1 | 1 | 0 |