Figure. Performances on WISC-IV Indices by Sex and Genetic Status.

Shown are violin plots of standard score performances of children with the variant (in orange) and without the variant (in blue) on WISC-IV by biological sex. Thick middle lines of internal box plots indicate median values; tops and bottoms of boxes, interquartile range; whiskers, variability in scores outside of the interquartile values; black circles, statistical outliers; width of violin plot at any point, probability of values from the represented sample being at that value, with wider sections representing higher frequencies of values at that point in the distribution; WISC-IV, Wechsler Intelligence Scale for Children, Fourth Edition. Clinically, standard scores have a mean (SD) of 100 (15).