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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) \(>0.4\)