Fig. 2: Age of diagnosis in fragile X syndrome (FXS) cases.

a Distribution of age of diagnosis. b Association between year of birth and year of diagnosis. In this population, there is no association between year of birth and year of diagnosis. c Association between year of birth and age of diagnosis. The age when the diagnosis of FXS was first reported in the electronic health records (EHRs) varies widely in this community patient population, ranging from 6 months to 92 years of age. The age of diagnosis has decreased in more recently born cases.