Table 1.
Population and IIH rates of obesity
| Country | Mean population BMI (kg/m2) | Year | Prevalence of IIH | Incidence of IIH | Mean BMI (kg/m2) in IIH patients |
|---|---|---|---|---|---|
| Australia [24] | 27.4 | 2017 | 7.9/100,000 | ||
| France [16] | 25.6 | 1988 | 33 | ||
| India [25] | 21.8 | 2007 | 27.7 | ||
| Israel [19, 26] | 27.4 | 2001–2016 | 0.94 | 32.2 | |
| Italy [14] | 26.3 | 2004 | 0.28 | ||
| Japan [27] | 22.8 | 2000 | 1/1000,000 | 0.03 | Only two cases |
| Libya [14] | 27.9 | 1993 | 2.2 | ||
| Portugal [19] | 26.2 | 2016 | 34.8 | ||
| Spain [28] | 26.6 | 2015 | 1.2/100,000 | 73.77% obese | |
| Sweden [29] | 26.4 | 2017 | 1/100,000 | 0.65 | 34.4 |
| Switzerland [19] | 25.7 | 2016 | 36.4 | ||
| Turkey [19] | 27.9 | 2016 | 31.2 | ||
| UK [19, 30] | 27.5 | 1991–2011 | 10.9/100,000 | 0.51–1.57 | 39.7 |
| US [14, 16, 31–33] | 29.1 | 1998–2011 | 8.9/100,000 | 0.9 | 31.8–34 |
Population data were from the World Health Organisation [23]
IIH idiopathic intracranial hypertension, BMI body mass index