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Table 8 Median values and 25–75\(\%\) percentile range of analyzed geometrical parameters for bifurcations and multiple trunk vessels divisions with p values for U Mann–Whitney test comparing both groups

From: Semi-automatic measurements and description of the geometry of vascular tree based on Bézier spline curves: application to cerebral arteries

Variable

Median values bifurcations

Median values multiple trunks

p (U Mann–Whitney test)

BA (degree)

82.8 (68.0–104.7)

91.5 (72.6–99.0)

\(>0.4\)

\(VA_{dom}\) (degree)

46.0 (33.9–59.1)

48.7 (26.2–62.8)

\(>0.8\)

\(VA_{ndom}\) (degree)

55.7 (42.1–71.3)

59.9 (51.5–80.0)

\(>0.1\)

\(CoI_{dom}\)

0.877 (0.785–0.943)

0.886 (0.822–0.974)

\(>0.3\)

\(CoI_{ndom}\)

0.877 (0.782–0.945)

0.806 (0.764–0.935)

\(>0.3\)

\(CoI_T\)

0.895 (0.820–0.949)

0.883 (0.803–0.953)

\(>0.8\)

\(Kmax_{dom}\) (rad/mm)

0.246 (0.173–0.335)

0.258 (0.159–0.449)

\(>0.5\)

\(Kav_{dom}\) (rad/mm)

0.151 (0.115–0.205)

0.187 (0.097–0.268)

\(>0.2\)

\(Tav_{dom}\) (rad/mm)

0.321 (0.239–0.454)

0.334 (0.213–0.432)

\(>0.5\)

\(Kmax_{ndom}\) (rad/mm)

0.308 (0.185–0.450)

0.381 (0.298–0.640)

\(<0.05\)

\(Kav_{ndom}\) (rad/mm)

0.177 (0.125–0.236)

0.216 (0.163–0.318)

\(<0.05\)

\(Tav_{ndom}\) (rad/mm)

0.386 (0.281–0.525)

0.440 (0.318–0.549)

\(>0.4\)