Table 1.

Vascular boundaries between anterior and middle cerebral arteries

WTKOCDANOVA
Distance of boundary from midline
 2 mm from frontal pole2.0  ± 0.11.9  ± 0.31.9  ± 0.3F = 0.08; p = 0.92
 4 mm from frontal pole2.2  ± 0.32.1  ± 0.32.3  ± 0.3F = 0.43; p = 0.66
 6 mm from frontal pole2.5  ± 0.22.6  ± 0.22.7  ± 0.3F = 1.12; p = 0.35
Number of anastomoses per hemisphere7.5  ± 1.89.0  ± 1.08.0  ± 1.8F = 1.72; p = 0.22
  • WT, Wild type; KO, MMP-9 knock-out; CD, commercial CD-1;n = 6 per group.