| Symptoms | n = 82 (%) |
| -Constitutional: |
|
| ・ Fever | 41 (50%) |
| ・ Weight loss | 13 (16%) |
| ・ Sweating | 10 (12%) |
| ・ Fatigue | 7 (8%) |
| -Specific: |
|
| ・ Headache | 42 (51%) |
| ・ Weakness | 35 (43%) |
| ・ Seizure | 23 (28%) |
| ・ Confusion | 25 (30%) |
| ・ Urine incontinence | 5 (6%) |
| ・ Dizziness | 6 (7%) |
| ・ Visual disturbance | 4 (5%) |
| ・ Photophobia | 3 (3%) |
| ・ Coma | 15 (18%) |
| -Others: |
|
| ・ Vomiting | 26 (32%) |
| ・ Anorexia | 15 (18%) |
| ・ Nausea | 7 (8%) |
| Signs: |
|
| ・ Fever | 29 (35%) |
| ・ Lymphadenopathy | 3 (3%) |
| ・ Impaired conscious level | 19 (23%) |
| ・ Disorientation | 8 (9%) |
| ・ Meningeal signs | 10 (12%) |
| ・ Neurological deficit | 37 (45%) |
| Sensory | 7 (8%) |
| Motor | 37 (45%) |
| ・ Ataxia | 3 (3%) |