Table 3.

A comparison of geometric features of the cerebral vascular tree of healthy subjects and Stroke patients

	Healthy subjects	Stroke patients	p - value
Total length (m)	3.30 ± 0.65	2.10 ± 0.71	0.021*
Number of branches	178.6 ± 30.62	166 ± 75.69	0.019*
Average branch length (mm)	18.79 ± 5.67	12.58 ± 2.07	0.059
Maximum branch length (mm)	121.50 ± 21.02	59.38 ± 6.10	0.07
Average diameter (mm)	2.36 ± 0.34	2.18 ± 0.38	0.039*
Total volume (ml)	89.92 ± 17.78	63.45 ± 21.83	0.009*
Fractal dimension	1.64 ± 0.37	1.79 ± 0.20	0.027*
Tortuosity (rad/cm)	4.17 ± 1.03	5.80 ± 0.92	0.041*

All the data represent mean±standard deviation unless otherwise indicated. The significantly different features (p<0.05) are highlighted with a *. The p-values were corrected by the Benjamini-Hochberg method to control for the false detection rate. rad: radians