Table 4.

Results of the univariate analysis on the SSR-1 dataset. Units of measure: maximum 3D diameter [mm], surface area [mm${}^2$], and volume [mm${}^3$]; all other features are in dimensionless units (range 0–1).

Feature	Benign	Malignant	p-Value	Significant
Max 3D diameter	18.8 ± 7.4	23.6 ± 7.7	0.001	Yes
Surface area	846.7 ± 630.3	1414.4 ± 819.6	<0.001	Yes
Voxel volume	2138.1 ± 2369.2	4209.2 ± 3481.3	<0.001	Yes
Angelidakis elongation	0.077 ± 0.056	0.070 ± 0.059	0.193	No
Angelidakis flatness	0.123 ± 0.111	0.077 ± 0.079	0.009	Yes
Angelidakis compactness	0.800 ± 0.115	0.853 ± 0.097	0.008	Yes
Kong elongation	0.140 ± 0.096	0.126 ± 0.099	0.200	No
Kong flatness	0.205 ± 0.163	0.136 ± 0.124	0.010	Yes
Maximum projection sphericity	0.810 ± 0.117	0.864 ± 0.092	0.005	Yes
Sphericity	0.774 ± 0.067	0.769 ± 0.061	0.280	No
Volume density	0.435 ± 0.112	0.431 ± 0.097	0.274	No