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Table 3 Feature selection results and LASSO coefficient

From: Machine learning-based radiomics analysis of preoperative functional liver reserve with MRI and CT image

Data

ICG-R15

Features (Training set)

Coefficient

MRI

ICG-R15 ≤ 10% vs. ICG-R15>10%

original_glszm_ZoneVariance

0.105246

original_shape_SurfaceVolumeRatio

0.015642

original_firstorder_Minimum

-0.018612

original_glrlm_LongRunHighGrayLevelEmphasis

-0.063476

original_shape_Sphericity

-0.118149

ICG-R15 ≤ 20% vs. ICG-R15>20%

original_firstorder_Kurtosis

0.111839

original_shape_SurfaceVolumeRatio

0.083486

original_glszm_ZoneVariance

0.065786

original_glszm_SmallAreaLowGrayLevelEmphasis

0.063575

original_glszm_LargeAreaHighGrayLevelEmphasis

0.05589

original_glcm_InverseVariance

0.034796

original_ngtdm_Contrast

0.033712

original_shape_Sphericity

-0.025289

original_firstorder_Minimum

-0.100263

ICG-R15 ≤ 30% vs. ICG-R15>30%

original_firstorder_Kurtosis

0.099461

original_glszm_ZoneVariance

0.055393

original_glszm_LargeAreaHighGrayLevelEmphasis

0.029222

original_glszm_SmallAreaLowGrayLevelEmphasis

0.003266

original_glszm_SizeZoneNonUniformity

-0.000478

original_glszm_SmallAreaEmphasis

-0.008009

original_shape_LeastAxisLength

-0.038956

CT

ICG-R15 ≤ 10% vs. ICG-R15>10%

original_glcm_Correlation

0.061806

original_glszm_ZoneEntropy

0.030831

original_firstorder_Energy

-0.096018

original_glszm_SmallAreaEmphasis

-0.109115

original_firstorder_RootMeanSquared

-0.126984

ICG-R15 ≤ 20% vs. ICG-R15>20%*

original_firstorder_TotalEnergy

0.397737

original_shape_SurfaceVolumeRatio

0.316305

original_firstorder_Kurtosis

0.086403

original_ngtdm_Strength

0.074451

original_shape_Maximum3DDiameter

-0.074731

original_glcm_ClusterShade

-0.088621

original_firstorder_Energy

-0.091037

original_glszm_SmallAreaEmphasis

-0.112469

original_shape_Maximum2DDiameterColumn

-0.12909

original_firstorder_RootMeanSquared

-0.354511

ICG-R15 ≤ 30% vs. ICG-R15>30%

original_shape_SurfaceVolumeRatio

0.048541

original_glszm_SmallAreaLowGrayLevelEmphasis

0.016216

original_shape_Maximum2DDiameterSlice

-0.009696

original_firstorder_Energy

-0.010984

original_firstorder_90Percentile

-0.021431

  1. * Top 10 features are listed in the table for the comparison between group ICG-R15 ≤ 20% and group ICG-R15>20% based on CT images