Skip to main content
letter
. 2020 Dec 24;92(7):795–797. doi: 10.1136/jnnp-2020-325519

Table 1.

The impact of UK COVID-19 lockdown on IIH disease activity

Change in IIH disease status (prelockdown to postlockdown) Prelockdown
mean (SD)
Postlockdown
mean (SD)
Change
mean (SD) %
Remission to active
(n=4)
 Weight 109.2 (12.0) 113.8 (15.2) +4.7 (10.0) +4.3%
 BMI 42.1 (8.0) 42.9 (10) +0.8 (7.5) +2.4%
 Papilloedema 102 (6) 128 (16) +36 (22) +37%
Active to Active
(n=29)
 Weight 99.6 (31.3) 103.5 (30.9) +1.96 (6.3) +2.1%
 BMI 37.1 (9.6) 38.0 (9.5) +0.21 (3.4) +1%
 Papilloedema 130 (39) 137 (70) +5 (72) +6%
Remission to Remission
(n=30)
 Weight 103.7 (21.1) 106.5 (21.3) +4.2 (22.2) −0.5%
 BMI 39.3 (8.6) 39.1 (8.3) +0.9 (7.8) −2.3%
 Papilloedema 89 (23) 88 (21) −1 (12) 0%
Active to Remission
(n=15)
 Weight 110.8 (24.9) 110.6 (26.3) +0.7 (6.2) +0.5%
 BMI 41.5 (10.4) 40.7 (9.8) −0.3 (2.6) −0.6%
 Papilloedema 107 (44) 87 (18) −15 (23) −11%

BMI (kg/m2) indicates body mass index. Papilloedema measured by RNFL thickness (µm). Weight is measured in kg. Remission indicates the absence of papilloedema. Active indicates the presence of papilloedema.

IIH, intracranial hypertension; RNFL, retinal nerve fibre layer.