Research Article
A CT-Based Radiomics Approach for the Differential Diagnosis of Sarcomatoid and Clear Cell Renal Cell Carcinoma
Table 3
The selected radiomics features and corresponding coefficients.
| Selected CMP features | Coefficients | First-order features | squareroot_Energy | 0.0003 | squareroot_Maximum | 0.0057 | wavelet-LHH_Skewness | 0.0069 | Shape features | original_Minoraxis | 0.0312 | Texture features | Gray-level run length matrix (GLRLM) | exponential_RunVariance | 0.0037 | squareroot_GrayLevelNonUniformity | 0.0926 | Selected NP features | First-order features | wavelet-HLH_Skewness | -0.04831 | wavelet-LHH_Median | -0.0272 | wavelet-HHH_Median | -0.0076 | squareroot_Energy | 0.0002 | wavelet-LLH_fskewness | 0.0019 | square_Kurtosis | 0.0337 | wavelet-LHL_Mean | 0.0417 | wavelet-LLH_Kurtosis | 0.0613 | Shape features | original_SurfaceArea | 2.85E-5 | original_RunVariance | 0.0210 | original_SphericalDisproportion | 0.0226 | Texture features | Gray-level cooccurrence matrix (GLCM) | | square_Idmn | -0.0196 | square_Correlation | -0.0075 | wavelet-HHH_ClusterProminence | 0.0152 | squareroot_DifferenceVariance | 0.0422 | Gray-level run length matrix (GLRLM) | wavelet-LLL_ShortRunLowGrayLevelEmphasis | -0.0075 | square_ShortRunLowGrayLevelEmphasis | 0.0017 | wavelet-HHH_RunVariance | 0.0225 | exponential_RunVariance | 0.0242 | exponential_RunEntropy | 0.0246 | exponential_ShortRunLowGrayLevelEmphasis | 0.0499 | Gray-level size zone matrix (GLSZM) | square_ZoneVariance | -0.0285 | wavelet-HLL_SizeZoneNonUniformityNormalized | -0.0173 | wavelet-LLL_LowGrayLevelZoneEmphasis | -0.0086 | wavelet-HLL_GrayLevelNonUniformity | -0.0063 | wavelet-LLL_ZoneVariance | 0.0022 | wavelet-HHH_LargeAreaEmphasis | 0.0183 | logarithm_LargeAreaLowGrayLevelEmphasis | 0.0437 | logarithm_GrayLevelNonUniformity | 0.0938 |
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