Patient symptoms and indications for examinations in the 2 groups based on hypointense foci
| Hypointense Foci (+) (n = 38) | Hypointense Foci (−) (n = 21) | n | ||||
|---|---|---|---|---|---|---|
| n | % | n | % | |||
| Symptoms or clinical indications for examinations | No/follow-up of primary disease | 11 | 52.4 | 10 | 47.6 | 21 |
| Seizures | 5 | 83.3 | 1 | 16.7 | 6 | |
| Transient ischemic attack/stroke | 5 | 83.3 | 1 | 16.7 | 6 | |
| Dizziness, vertigo | 1 | 25 | 3 | 75 | 4 | |
| Headache | 4 | 100 | 0 | 0 | 4 | |
| Sensory disturbance | 2 | 66.7 | 1 | 33.3 | 3 | |
| Double vision | 2 | 100 | 0 | 0 | 2 | |
| Dysarthria | 2 | 100 | 0 | 0 | 2 | |
| Nerve palsy | 1 | 50 | 1 | 50 | 2 | |
| SDH | 1 | 50 | 1 | 50 | 2 | |
| Consciousness disturbance | 1 | 100 | 0 | 0 | 1 | |
| ICH | 1 | 100 | 0 | 0 | 1 | |
| Visual field disturbance | 1 | 100 | 0 | 0 | 1 | |
| SAH | 0 | 0 | 1 | 100 | 1 | |
| Syncope | 0 | 0 | 1 | 100 | 1 | |
| Trauma | 0 | 0 | 1 | 100 | 1 | |
| Unknown | 1 | 0 | 1 | |||
Note:—SDH indicates subdural hematoma.