Table 2.

Results of radiomic feature selection for PFS and OS

End points	Feature name	Coefficient
PFS	original_shape_Maximum2DDiameterSlice	0.184
	squareroot_glrlm_LongRunLowGrayLevelEmphasis	0.107
	wavelet-LHH_glszm_SizeZoneNonUniformityNormalized	− 0.216
	wavelet-HHH_glszm_SizeZoneNonUniformityNormalized	− 0.070
OS	original_shape_Maximum2DDiameterSlice	0.034
	original_firstorder_Skewness	− 0.061
	original_glszm_SizeZoneNonUniformity	0.077
	exponential_glszm_SizeZoneNonUniformity	0.050
	square_firstorder_Median	0.019
	square_firstorder_Minimum	0.006
	wavelet-LLH_glszm_LowGrayLevelZoneEmphasis	0.030
	wavelet-HHL_glszm_SizeZoneNonUniformity	0.075
	wavelet-HHH_glszm_SizeZoneNonUniformityNormalized	− 0.507
	wavelet-HHH_glszm_SmallAreaLowGrayLevelEmphasis	− 0.018