Abstract O-039 Table 1

Vessel diameters by age group (mm)

 –6 mo1 yr2 yrs3 yrs4 yrs5–9 yrs10–14 yrs15–18 yrs
CCA below bulb5.6 ± 0.4-6.3 ± 1.15.57.8 ± 0.29.2 ± 1.49.6 ± 1.110.3 ± 1.7
ICA above bulb4.8 ± 1.2-5.4 ± 0.45.37.0 ± 0.37.9 ± 1.38.0 ± 0.88.6 ± 1.0
High cervical ICA3.9 ± 0.75.1 ± 0.65.5 ± 1.04.16.7 ± 0.77.0 ± 1.07.3 ± 0.77.7 ± 0.8
Petrous ICA3.7 ± 0.74.4 ± 0.14.6 ± 0.55.2 ± 0.25.9 ± 1.15.8 ± 1.06.3 ± 0.86.9 ± 0.7
ICA terminus3.7 ± 0.73.5 ± 0.84.1 ± 0.44.3 ± 0.64.8 ± 0.64.4 ± 0.74.7 ± 0.64.8 ± 0.5
M12.6 ± 0.42.7 ± 0.53.9 ± 0.53.6 ± 0.33.9 ± 0.53.6 ± 0.53.8 ± 0.44.0 ± 0.5
Intracranial VA-2.54.13.43.9 ± 0.14.3 ± 0.74.2 ± 0.64.5 ± 1.2
Basilar-2.04.33.84.5 ± 0.24.2 ± 0.84.1 ± 0.44.3 ± 0.8
P1-1.3 ± 0.12.62.82.7 ± 0.32.8 ± 0.62.9 ± 0.42.8 ± 0.7