Table 1 Radiomics-based differentiation of immunotherapy-treated tumors and untreated tumors.

Number of radiomic features under each class that differentiated (P < 0.05) the immunotherapy group (T + M + Tx) and untreated group (T + M). Radiomic analysis was performed on nanoparticle contrast–enhanced delayed CT, CT angio, and noncontrast T2-weighted MR images.

Radiomic
feature class
CT delayedCT angioT2w MRI
First-order
statistics
021
Gray level
co-occurrence
matrix (GLCM)
001
Gray level
dependence
matrix (GLDM)
221
Gray level run
length matrix
(GLRLM)
221
Gray level size
zone matrix
(GLSZM)
561
Neighboring
gray tone
difference
matrix
(NGTDM)
110