Error type based on pathology
| Pathology | Total Errors (n = 175) | Percentage (%) |
|---|---|---|
| Acute/subacute infarct | 44 | 25.1% |
| Aneurysm | 24 | 13.7% |
| Subdural hematoma | 17 | 9.7% |
| Significant arterial stenosis | 11 | 6.3% |
| Dural sinus occlusion | 11 | 6.3% |
| Epidural hematoma | 8 | 4.6% |
| Large-vessel occlusion | 8 | 4.6% |
| Overcall | 7 | 4.0% |
| Arterial dissection | 7 | 4.0% |
| Hypoxic-ischemic encephalopathy | 7 | 4.0% |
| Chronic infarct | 5 | 2.9% |
| AVM-AVF | 5 | 2.9% |
| Subarachnoid hemorrhage | 5 | 2.9% |
| Hemorrhagic contusion | 3 | 1.7% |
| Embolic infarct | 2 | 1.1% |
| Intraventricular hemorrhage | 2 | 1.1% |
| Retroclival bleed | 2 | 1.1% |
| Vasospasm | 2 | 1.1% |
| Subclavian steal | 1 | 0.6% |
| Sinus pericranii | 1 | 0.6% |
| Deep neck vein occlusion | 1 | 0.6% |
| Growing hemorrhage | 1 | 0.6% |
| PRES | 1 | 0.6% |
Note:—PRES indicates posterior reversible encephalopathy syndrome.