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Table 1 Cohort characteristics

From: MRI features of idiopathic intracranial hypertension are not prognostic of visual and headache outcome

 

(n = 84)

Females1

74 (88.1)

Age at diagnosis2

33.5 (11.3)

Diagnosis

 IIH with papilledema1

79 (94.0)

 IIH without papilledema1

5 (6.0)

 BMI3

30.7 (27.3–39.0)

 Overweight (BMI > 25)1

72 (85.7)

 Previous headache history

33 (39.3)

Symptoms/signs at initial presentation

 Headache1

71 (84.5)

 Migraine-like

40 (47.6)

 Tension-type-like

11 (13.1)

 Unclassifiable

20 (23.8)

 Visual disturbances1

68 (81.0)

 Abducens palsy1

13 (15.5)

 Pulsatile tinnitus1

20 (23.8)

Ophthalmological findings

 Abnormal visual acuity1

18 (21.4)

 Abnormal visual fields (perimetry)1

58 (69.0)

 Papilledema1

73 (89.9)

 Frisén-Scale3

3 (0–5)

 Lumbar puncture opening pressure3

31 (28–39)

  1. BMI Body mass index, IIH Idiopathic intracranial hypertension
  2. 1absolute number and percentage 2mean and standard deviation 3median and inter-quartile range