Table 2.
The list of selected features in three radiomics signatures.
| Signature | Features selected | Feature name |
|---|---|---|
| Arterial phase image signature | 5 | log-sigma-5-0-mm-3D_firstorder_Variance |
| wavelet-LHL_glcm_InverseVariance | ||
| wavelet-LHL_gldm_DependenceVariance | ||
| wavelet-HLH_glcm_Correlation | ||
| wavelet-HHL_glszm_SizeZoneNonUniformity | ||
| Portal phase image signature | 6 | original_firstorder_Skewness |
| wavelet-LLH_glcm_Correlation | ||
| wavelet-HLL_glcm_InverseVariance | ||
| wavelet-HHL_glszm_SizeZoneNonUniformity | ||
| wavelet-LLL_glcm_Imc1 | ||
| wavelet-LLL_ngtdm_Strength | ||
| Fusion radiomics signature | 12 | PP_original_firstorder_Skewness |
| PP_log-sigma-3-0-mm-3D_glszm_GrayLevelVariance | ||
| PP_wavelet-LLH_glcm_Correlation | ||
| PP_wavelet-HLL_glszm_LargeAreaLowGrayLevelEmphasis | ||
| PP_wavelet-HLH_glcm_InverseVariance | ||
| PP_wavelet-HHL_glszm_SizeZoneNonUniformity | ||
| PP_wavelet-LLL_ngtdm_Strength | ||
| AP_log-sigma-4-0-mm-3D_glszm_LargeAreaHighGrayLevelEmphasis | ||
| AP_log-sigma-5-0-mm-3D_firstorder_Kurtosis | ||
| AP_wavelet-LHL_glrlm_GrayLevelNonUniformityNormalized | ||
| AP_wavelet-LLL_firstorder_Mean | ||
| AP_wavelet-LLL_glcm_Contrast |
PP, portal phase; AP, arterial phase.