Table 3.
The selected feature sets with LASSO and LASSO with SVMSMOTE
| Selected Features | |
|---|---|
| LASSO (n = 22) | original_shape_LeastAxis |
| original_shape_Elongation | |
| original_shape_Flatness | |
| logarithm_firstorder_Kurtosis | |
| logarithm_glrlm_HighGrayLevelRunEmphasis | |
| square_firstorder_10Percentile | |
| square_glrlm_ShortRunHighGrayLevelEmphasis | |
| exponential_glcm_Imc1 | |
| exponential_glrlm_LongRunEmphasis | |
| exponential_glrlm_LongRunLowGrayLevelEmphasis | |
| wavelet-LHL_firstorder_Skewness | |
| wavelet-LHH_glcm_ClusterShade | |
| wavelet-HLL_firstorder_Energy | |
| wavelet-LLH_firstorder_Kurtosis | |
| wavelet-LLH_glcm_ClusterProminence | |
| wavelet-HHH_glszm_GrayLevelNonUniformity | |
| wavelet-HHH_glszm_LowGrayLevelZoneEmphasis | |
| wavelet-HHH_glszm_SmallAreaLowGrayLevelEmphasis | |
| wavelet-HHL_firstorder_Skewness | |
| wavelet-HHL_glrlm_ShortRunLowGrayLevelEmphasis | |
| wavelet-LLL_firstorder_Kurtosis | |
| wavelet-LLL_glcm_Correlation | |
| LASSO with SVMSMOTE (n = 30) | wavelet-HLL_firstorder_Energy |
| exponential_glrlm_LongRunEmphasis | |
| wavelet-HHL_firstorder_Skewness | |
| wavelet-HHL_glrlm_ShortRunLowGrayLevelEmphasis | |
| wavelet-HLH_glrlm_RunPercentage | |
| wavelet-LHL_firstorder_90Percentile | |
| square_glrlm_LongRunEmphasis | |
| logarithm_glrlm_ShortRunHighGrayLevelEmphasis | |
| wavelet-LHL_glcm_MaximumProbability | |
| wavelet-LLH_glszm_GrayLevelNonUniformity | |
| wavelet-LHL_firstorder_Mean | |
| wavelet-LHH_glcm_ClusterShade | |
| wavelet-LHL_glszm_ZonePercentage | |
| wavelet-HHL_glszm_GrayLevelVariance | |
| original_shape_Elongation | |
| wavelet-LLH_firstorder_10Percentile | |
| square_glcm_Correlation | |
| original_shape_Flatness | |
| wavelet-HHH_glszm_LowGrayLevelZoneEmphasis | |
| wavelet-LLL_glcm_Correlation | |
| exponential_glrlm_ShortRunHighGrayLevelEmphasis | |
| wavelet-LLL_firstorder_Kurtosis | |
| wavelet-LHL_firstorder_InterquartileRange | |
| wavelet-LLH_glcm_Contrast | |
| wavelet-LLH_firstorder_Energy | |
| wavelet-LLH_firstorder_Minimum | |
| wavelet-LHL_glszm_ZoneEntropy | |
| wavelet-HHH_glszm_GrayLevelNonUniformity | |
| original_glszm_ZoneEntropy | |
| original_shape_LeastAxis |
Each feature is denoted as Filter_FeatureGroup_FeatureName and ‘Original’ indicates the radiomics features extracted from the original images without preprocessing