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Clinical features
| Symptoms/signs | No. (%) |
|---|---|
| Altered mental state (confusional state—acute or chronic) | 21 (52) |
| Focal neurological deficit | 20 (50) |
| Altered consciousness (drowsy, coma) | 14 (35) |
| Headache | 8 (20) |
| Transient neurological deficit | 2 (5) |
| Collapse | 1 (2) |
