Fig. 2From: Demographics, in-hospital analysis, and prevalence of 33 rare diseases with effective treatment in ShanghaiYear-to-year patient numbers change. Year-to-year change in new patients is shown for the six top (by patient numbers) diseases from the Shanghai list. Each red bar depicts the number of new patients each year, (i.e. the number of patients who had a diagnosis for the target disease recorded for them for the first time in that year)Back to article page