表 4. Radiomic features and partial regression coefficient in DWI model.
DWI独立数据集构建模型的特征及其回归系数
| Radiomic features | β |
| β, CEA, DWI, mrT stage, mrN stage: Note the same as table 2. | |
| Intercept | −0.623 |
| mrT stage T3 | −0.056 |
| mrN stage N0 | −0.897 |
| mrN stage N1-2 | 0.575 |
| Primary tumor site <5 cm | 0.766 |
| Age 50-<60 yr. | 0.214 |
| Age 70-<80 yr. | −0.437 |
| CEA | 0.722 |
| Correlation_angle45_offset4 | 0.339 |
| HarilickCorrelation_angle135_offset7 | −0.215 |
| LongRunEmphasis_AllDirection_offset4 | 0.070 |
| LongRunEmphasis_angle0_offset7 | 0.174 |
| LongRunEmphasis_angle45_offset4 | 0.135 |
| ShortRunEmphasis_AllDirection_offset7_SD | −0.306 |
| SurfaceArea | 0.066 |
| SurfaceVolumeRatio | −0.284 |