Symptoms | Acute Onset* | Subacute Onset† | Chronic Onset‡ |
---|---|---|---|
Headache | 5 | 4 | 1 |
Gait disturbance | 0 | 1 | 6 |
Memory disturbance | 0 | 1 | 6 |
Incontinence | 0 | 1 | 5 |
Seizure | 0 | 2 | 0 |
Note:—AS indicates aqueductal stenosis.
* Duration between symptoms and radiologic examination <1 month.
† Duration between 1 and 6 months.
‡ Chronic onset: duration >6 months. Numbers refer to patients in each category.