Table 2 Feature subsets of different selection strategies.

From: CT-radiomics and clinical risk scores for response and overall survival prognostication in TACE HCC patients

Feature selection

Selected features

 

Radiomics

RFE

Flatness, Sphericity, 10Percentile, Maximum, Skewness, Imc1, LargeDependenceHighGrayLevelEmphasis, LargeAreaEmphasis, LargeAreaLowGrayLevelEmphasis

RFA

LargeDependenceHighGrayLevelEmphasis

LASSO

Flatness, Minimum, Skewness, LargeAreaLowGrayLevelEmphasis

 

clinical scores

RFE & RFA

mHAP_II_score_group

LASSO

mHAP_II_score_group, 6_and_12_group

 

Combined features (clinical and radiomics)

Best combined

LargeDependenceHighGrayLevelEmphasis, mHAP_II_score_group

  1. LASSO, least absolute shrinkage and selection operator; RFA, recursive feature addition; RFE, recursive feature elimination. See Supplementary Data S8 for more information.
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