Table 1.

Morphometric parameters measured on the 3D surface models of the arches

2D measured parameters (manually)	3D measured parameters (VMTK)
• Arch height A [mm] • Arch width T [mm] • Ratio A/T • Diameters at ascending, transverse, isthmus and descending level of the aorta: Dasc, Dtrans, Disth, Ddesc [mm] • Ratios Dasc/Ddesc, Dtrans/Ddesc and Disth/Ddesc	• Volume V [mm3] • Surface Area Asurf [mm2] • Ratio Asurf/V • Centreline length LCL [mm] • Centreline Tortuosity ToCL • Median curvature along centreline Cmed [1/mm] • Maximum, minimum and median diameter along centreline Dmax, Dmin, Dmed [mm]