Multiple Sclerosis International / 2015 / Article / Tab 2

Review Article

Epidemiology of Neuromyelitis Optica in the World: A Systematic Review and Meta-Analysis

Table 2

Prevalence of NMO in studies with a random effect model.

StudyPrevalence [95% Conf. interval]% weight
LowerUpper

Etemadifar et al. [9]1.951.622.32113.13
Pandit and Kundapur [13]2.621.5334.1137.66
Jacob et al. [10]1.140.6751.84612.01
Houzen et al. [14]0.850.2942.2259.99
Cossburn et al. [8]1.961.2083.0329.98
Asgari et al. [7]4.413.4565.4139.53
Cabrera-Gómez et al. [12]0.520.4040.66513.77
Cabre et al. [11]4.23.3365.11610.09
Rivera et al. [15]0.180.1330.25713.85
Pooled prevalence1.821.2652.365100

Heterogeneity chi-squared = 277.51 (d.f. = 8);   < 0.001.
-squared (variation in ES attributable to heterogeneity) = 97.1%.
Estimate of between-study variance tau-squared = 0.057.
Test of ES = 0 :  = 6.46; < 0.001.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.