Table 3 Numerical values of key radiomic features in arterial, venous, and combined analyses.
Most important arterial features | Feature importance scores |
|---|---|
Shape: sphericity | 0.26 |
Gray level size-zone non-uniformity (GLSZM): size-zone non-uniformity | 0.18 |
Shape: surface volume ratio | 0.07 |
Gray level run length matrix (GLRLM): long run low gray level emphasis | 0.05 |
Shape: maximum three-dimensional (3D) diameter | 0.05 |
GLSZM: gray level non-uniformity | 0.03 |
Shape: maximum two-dimensional (2D) diameter slice | 0.02 |
Gray level co-occurrence matrix (GLCM): cluster shade | 0.02 |
First order: 90th percentile | 0.02 |
First order: 10th percentile | 0.02 |
GLSZM: size-zone non-uniformity | 0.13 |
Shape: major axis length | 0.09 |
First order: mean | 0.07 |
Shape: surface volume ratio | 0.06 |
GLSZM: zone entropy | 0.05 |
Shape: flatness | 0.05 |
Shape: sphericity | 0.04 |
First order: kurtosis | 0.03 |
First order: 90th percentile | 0.03 |
GLCM: cluster shade | 0.03 |
Shape: sphericity (arterial) | 0.25 |
GLSZM: size-zone non-uniformity (arterial) | 0.12 |
Shape: surface volume ratio (arterial) | 0.06 |
First order: total energy (venous) | 0.04 |
Shape: maximum 3D diameter (arterial) | 0.04 |
GLRLM: long run low gray level emphasis (arterial) | 0.03 |
GLCM: inverse difference normalized (venous) | 0.03 |
Shape: major axis length (arterial) | 0.02 |
GLSZM: gray level non-uniformity (arterial) | 0.02 |
GLSZM: size-zone non-uniformity (venous) | 0.02 |