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| Characteristics | n=34 | % |
|---|---|---|
| Sex | ||
| Male | 24 | 70.0 |
| Female | 10 | 30.0 |
| Age/years | ||
| ≤60 | 15 | 44.0 |
| >60 | 19 | 56.0 |
| Primary tumor site | ||
| Lung | 22 | 64.7 |
| Breast | 7 | 20.6 |
| Others | 5 | 14.7 |
| Extracerebral metastasis | ||
| None | 19 | 56.0 |
| 1 metastasis | 12 | 35.0 |
| ≥2 metastases | 3 | 9.0 |
| Symptoms | ||
| Asymptomatic | 8 | 23.5 |
| Ataxia | 17 | 50.0 |
| Headache | 10 | 29.4 |
| Neurocognitive change | 3 | 8.8 |
| Visual change | 3 | 8.8 |
