Fig. 1From: Impact of long-term elosulfase alfa treatment on clinical and patient-reported outcomes in patients with mucopolysaccharidosis type IVA: results from a Managed Access Agreement in EnglandMean urinary keratan sulfate (uKS) over time (a) and box plot comparing uKS at pre-treatment baseline and at last follow-up among patients with both measures (N = 48; mean follow-up 4.9 years) (b). In the box plot, lines show medians and first and third quartiles; asterisks show meansBack to article page