Experience level of observers
| Skill level | Experience at Position (Years) | Experience Processing CTP (Years) |
|---|---|---|
| Junior CT technologist | 3 | 0 |
| Senior CT technologist | 23 | 0 |
| Radiology resident physician | 3 | 0 |
| Neuroradiology fellow | 1* | 0.5 |
| Neurology attending physician | 4 | 0 |
| Neuroradiology attending physician | 2 | 3† |
* Additional 4 years of residency training in radiology.
† 1 year of experience processing CT perfusion data during fellowship training.