Table 1:

Main data on intracranial vessel abnormalities in our MD sample and in 29 controls

Children with MDControls
Sample size (No.)26 Children29 Children
Sex25 M, 1 F19 M, 10 F
Age at MRA (mean) (range) (mo)14 ± 19 (2.2–86.7)a11.5 ± 15 (0.2–82.3)
Tortuosity index (mean) (range)0.41 ± 0.30 (0.07–1.08)a0.07 ± 0.08 (0.01–0.31)b
Smoker score (mean) (range)6.0 ± 1.3 (1–6)c1.7 ± 0.7 (1–3)b

  • ↵a Calculated at first MRA in 15 children with MD.

  • ↵b P < .0001.

  • ↵c Calculated at first MRI in 26 children with MD.