Fig. 4From: An integrated modelling methodology for estimating global incidence and prevalence of hereditary spastic paraplegia subtypes SPG4, SPG7, SPG11, and SPG15Modelled survival curves across countries. Survival curves for high- (a), upper middle-(b), lower middle-(c), and low-income (d) countries, based on UN income level. Red: general population, SPG4 and SPG7; blue: SPG11 and SPG15Back to article page