–6 mo | 1 yr | 2 yrs | 3 yrs | 4 yrs | 5–9 yrs | 10–14 yrs | 15–18 yrs | |
---|---|---|---|---|---|---|---|---|
CCA below bulb | 5.6 ± 0.4 | - | 6.3 ± 1.1 | 5.5 | 7.8 ± 0.2 | 9.2 ± 1.4 | 9.6 ± 1.1 | 10.3 ± 1.7 |
ICA above bulb | 4.8 ± 1.2 | - | 5.4 ± 0.4 | 5.3 | 7.0 ± 0.3 | 7.9 ± 1.3 | 8.0 ± 0.8 | 8.6 ± 1.0 |
High cervical ICA | 3.9 ± 0.7 | 5.1 ± 0.6 | 5.5 ± 1.0 | 4.1 | 6.7 ± 0.7 | 7.0 ± 1.0 | 7.3 ± 0.7 | 7.7 ± 0.8 |
Petrous ICA | 3.7 ± 0.7 | 4.4 ± 0.1 | 4.6 ± 0.5 | 5.2 ± 0.2 | 5.9 ± 1.1 | 5.8 ± 1.0 | 6.3 ± 0.8 | 6.9 ± 0.7 |
ICA terminus | 3.7 ± 0.7 | 3.5 ± 0.8 | 4.1 ± 0.4 | 4.3 ± 0.6 | 4.8 ± 0.6 | 4.4 ± 0.7 | 4.7 ± 0.6 | 4.8 ± 0.5 |
M1 | 2.6 ± 0.4 | 2.7 ± 0.5 | 3.9 ± 0.5 | 3.6 ± 0.3 | 3.9 ± 0.5 | 3.6 ± 0.5 | 3.8 ± 0.4 | 4.0 ± 0.5 |
Intracranial VA | - | 2.5 | 4.1 | 3.4 | 3.9 ± 0.1 | 4.3 ± 0.7 | 4.2 ± 0.6 | 4.5 ± 1.2 |
Basilar | - | 2.0 | 4.3 | 3.8 | 4.5 ± 0.2 | 4.2 ± 0.8 | 4.1 ± 0.4 | 4.3 ± 0.8 |
P1 | - | 1.3 ± 0.1 | 2.6 | 2.8 | 2.7 ± 0.3 | 2.8 ± 0.6 | 2.9 ± 0.4 | 2.8 ± 0.7 |