Table 5.
Top 10 most important features
| Rank | Feature name | Dimension | Feature family | Extracted region | Importancea |
|---|---|---|---|---|---|
| 1 | Brinkman index | N.A. | Clinical | N.A. | 19.57 |
| 2 | 90th percentile | 3D | First order | Intratumor | 13.59 |
| 3 | Sex | N.A. | Clinical | N.A. | 11.49 |
| 4 | LAHGLE | 3D | GLSZM | Peritumor | 10.25 |
| 5 | Maximal correlation coefficient | 3D | GLCM | Intratumor | 6.53 |
| 6 | Inverse difference moment normalized | 2D | GLCM | Peritumor | 6.46 |
| 7 | Cluster shade | 2D | GLCM | Intratumor | 6.21 |
| 8 | Inverse difference moment normalized | 3D | GLCM | Peritumor | 5.52 |
| 9 | Difference variance | 2D | GLCM | Peritumor | 5.47 |
| 10 | Coarseness | 3D | NGTDM | Intratumor | 4.91 |
GLCM, gray level co-occurrence matrix; GLSZM, gray level size zone matrix; LAHGLE, large area high gray level emphasis; NGTDM, neighboring gray tone difference matrix.
a
Measured using the mean decrease in the Gini index.