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. 2019 Jul 9;93(2):e181–e189. doi: 10.1212/WNL.0000000000007746

Figure 2. Incidence rate of neuromyelitis optica (NMO) in Sweden between 1987 and 2013.

Figure 2

Incidence rate per 1,000,000 individuals from 1987 to 2013 in Sweden. Blue dots represent the incidence rate per year and are connected with a red line for enhanced interpretation. The availability of MRI and aquaporin-4–immunoglobulin G (IgG) autoantibody analysis are reported in the figure. The black dotted line represents a linear regression model (incidence rate per 1,000,000 individuals = 0.03205 * year − 63.7) fitted to all data points. Green lines and green shaded area represent linear regression models with 95% confidence intervals fitted within periods 1987 to 2006 and 2007 to 2013, respectively. Values in plot are means with 95% confidence intervals for the time intervals 1987 to 2006 and 2007 to 2013.