Demographic details of 20 patients with idiopathic intracranial hypertension
| 17 female, age 16 to 69 years (mean 30) |
| 3 male, age 17 to 57 years (mean 42) |
| Body mass indices: 21–47 kg/m2 (mean 35) |
| Duration of symptoms before MRI: 1 week to 4 years (mean 5 months) |
| CSF pressures (cm H2O): 23 to 58 (mean 35) |