Table 3.
The numbers of selected features via different approaches.
| LASSO | SVC | ETC | |||||
|---|---|---|---|---|---|---|---|
| Feature No. | Feature categories | Feature No. | Feature categories | Feature No. | Feature categories | ||
| Ki-67 | |||||||
| T1-weighted | 5 | First-order (n = 2), GLRLM (n = 1), GLDM (n = 2) |
4 | First-order (n = 3), GLDM (n = 1) | 4 | First-order (n = 4) | |
| T1-CE | 7 | First-order (n = 4), GLSZM (n = 2), GLRLM (n = 1) |
8 | First-order (n = 3), GLCM (n = 2), GLSZM (n = 2), GLDM (n = 1) |
7 | First-order (n = 5), GLSZM (n = 1), Shape (n = 1) |
|
| T2-weighted | 5 | First-order (n = 3), GLSZM (n = 1), GLRLM (n = 1) |
4 | First-order (n = 3), GLRLM (n = 1) | 6 | First-order (n = 4), GLCM (n = 1), GLSZM (n = 1) |
|
| FLAIR | − | − | 1 | First-order (n = 1) | − | − | |
| ADC | 3 | First-order (n = 2), GLSZM (n = 1) | 3 | First-order (n = 1), GLRLM (n = 2) | 3 | First-order (n = 3) | |
| p53 | |||||||
| T1-weighted | 4 | First-order (n = 2), GLRLM (n = 1), GLDM (n = 1) |
5 | First-order (n = 2), GLRLM (n = 2), GLDM (n = 1) |
4 | GLSZM (n = 2), NGTDM (n = 2) | |
| T1-CE | 6 | First-order (n = 1), GLSZM (n = 2), NGTDM (n = 3) |
7 | GLCM (n = 1), NGTDM (n = 4), GLDM (n = 2) |
7 | First-order (n = 1), GLCM (n = 2), NGTDM (n = 4) |
|
| T2-weighted | 3 | First-order (n = 1), GLSZM (n = 2) | 1 | First-order (n = 1) | 1 | First-order (n = 1) | |
| FLAIR | 4 | First-order (n = 2), GLRLM (n = 1), GLDM (n = 1) |
4 | First-order (n = 1), GLSZM (n = 2), GLDM (n = 1) |
4 | First-order (n = 1), GLCM (n = 1), GLSZM (n = 2) |
|
| ADC | 3 | First-order (n = 2), GLSZM (n = 1) | 3 | First-order (n = 2), NGTDM (n = 1) | 4 | First-order (n = 1), GLCM (n = 2), GLSZM (n = 1) |
|