Median, inter-quartile range and outliers
a Mean absolute distance
b percentile
surface-to-surface distance between the registered patients against the template. The distance metric for full skull, upper ROI and lower ROI regions are plotted from left to right. Normal (297) and craniosynostosis (226) cases are shown in light and dark colours, respectively. The mean and percentile distances in the lower ROI are within 2.5 and 5.0 mm, respectively