Table 1 Demographics and clinical symptoms
From: Idiopathic intracranial hypertension in Asians: a retrospective dual-center study
|  | All patients (n = 102) | CSF pressure > 250 mm CSF (n = 62) | CSF pressure 200–250 mm CSF (n = 40) | p value |
|---|---|---|---|---|
Age (years) | 33.4 ± 12.2 | 32.3 ± 11.3 | 35.1 ± 13.4 | 0.192 |
Female | 69.6% (71/102) | 72.6% (45/62) | 65.0% (26/40) | 0.416 |
Body weight (kg) | 76.6 ± 18.9 | 76.4 ± 18.7 | 77.0 ± 19.5 | 0.997 |
BMI (kg/m2) | 29.3 ± 6.4 | 29.2 ± 6.2 | 29.6 ± 6.7 | 0.979 |
BMI ≥ 30 kg/m2 | 34.3% (35/102) | 33.9% (21/62) | 35.0% (14/40) | 0.610 |
BMI ≥ 27.5 kg/m2 | 45.1% (46/102) | 45.2% (28/62) | 45.0% (18/40) | 0.630 |
Time to diagnosis (months) | 10.0 ± 17.1 | 10.7 ± 18.4 | 9.0 ± 15.1 | 0.816 |
CSF pressure (mm CSF) | 282.5 ± 74.5 | 324.8 ± 68.9 | 220.0 ± 14.3 | < 0.001 |
Headache | 90.2% (92/102) | 87.1% (54/62) | 95.0% (38/40) | 0.109 |
 Migrainous phenotype | 67.4% (62/92) | 66.7% (36/54) | 68.4% (26/38) | 0.142 |
 Severity (NRS) | 8.1 ± 2.1 | 8.0 ± 2.0 | 8.2 ± 2.2 | 0.493 |
 Bilateral | 20.6% (21/102) | 27.4% (17/62) | 10.0% (4/40) | 0.010 |
 Exaggerated by lying down | 20.6% (21/102) | 21.0% (13/62) | 20.0% (8/40) | 0.716 |
 Awakening from sleep | 27.5% (28/102) | 30.6% (19/62) | 22.5% (9/40) | 0.467 |
 Diurnal change | 23.5% (24/102) | 24.2% (15/62) | 22.5% (9/40) | 0.682 |
 Induced by Valsalva maneuver | 20.6% (21/102) | 21.0% (13/62) | 20.0% (8/40) | 0.886 |
Visual symptoms | Â | Â | Â | Â |
 Metamorphopsia | 13.7% (14/102) | 19.4% (12/62) | 5.0% (2/40) | 0.023 |
 TVO | 25.5% (26/102) | 33.9% (21/62) | 12.5% (5/40) | 0.005 |
 Horizontal diplopia* | 22.5% (23/102) | 30.6% (19/62) | 10.0% (4/40) | 0.006 |
Pulsatile tinnitus | 23.5% (24/102) | 29.0% (18/62) | 15.0% (6/40) | 0.053 |