Table 1.
Demographic characteristics of the 170 included patients.
| Demographics | Number (%) |
|---|---|
| Age at diagnosis (years), median (IQR) | 37.3 (27.5) |
| Age at SRS (years), median (IQR) | 40.8 (28.2) |
| Sex | |
| Male | 70 (41.2%) |
| Female | 100 (58.8%) |
| Genetic mutation identified | 1 (0.6%) |
| Initial presentation | |
| Incidental* | 7 (4.1%) |
| Seizure* | 3 (1.8%) |
| Hemorrhage | 132 (77.6%) |
| Focal Neurological deficit* | 28 (16.5%) |
| Clinical symptoms pre-SRS | |
| None | 11 (6.5%) |
| Motor deficit | 50 (29.4%) |
| Sensory deficit | 49 (28.8%) |
| Cerebellar symptom | 15 (8.8%) |
| Cranial nerve deficit | 85 (50.0%) |
| Seizure | 6 (3.5%) |
| Headaches | 16 (9.4%) |
| Others † | 21 (12.4%) |
IQR: Interquartile range, SRS: Stereotactic radiosurgery.
*Not associated with acute or subacute hemorrhage; the patients had a hemorrhage later after diagnosis. †speech disorder, memory loss, unspecified gait trouble, unspecified vertigo.