Table 3 Coefficients of features in the radiomic models.

From: Early acquired resistance to EGFR-TKIs in lung adenocarcinomas before radiographic advanced identified by CT radiomic delta model based on two central studies

Model

Features

Coefficients

Intercept

Classic

log-sigma-3–0-mm-3D_glcm_DifferenceEntropy

0.738

0.0173

original_glcm_DifferenceVariance

− 0.016

log-sigma-1–5-mm-3D_firstorder_10Percentile

− 0.038

log-sigma-1–5-mm-3D_firstorder_Mean

− 0.318

log-sigma-1–5-mm-3D_firstorder_Variance

0.179

log-sigma-5–0-mm-3D_glszm_LargeAreaEmphasis

− 0.442

log-sigma-5–0-mm-3D_glrlm_LongRunEmphasis

0.804

Delta

log-sigma-3–0-mm-3D_glcm_DifferenceVariance

0.90483

0.06478