Table 1.

ICCs of the remaining eight features after Model 1 and Model 2 redundancy analysis.

Groups	Radiomics signatures	Intraobserver ICCs	Interobserver ICCs
Model 1	logsigma50mm3D_glcm_InverseVariance_sag	0.994	0.982
	square_glszm_ZoneEntropy_sag	0.995	0.998
	logsigma50mm3D_glcm_Correlation_sag	0.983	0.916
	logsigma50mm3D_firstorder_Skewness_sag	0.832	0.814
	logarithm_gldm_LargeDependenceEmphasis_sag	0.891	0.923
	logarithm_glcm_DifferenceAverage_sag	0.962	0.971
	logsigma40mm3D_glszm_SmallAreaEmphasis_sag	0.891	0.845
	original_gldm_LowGrayLevelEmphasis_sag	0.990	0.911
Model 2	square_glcm_Imc2_cor	0.936	0.901
	waveletHHH_gldm_LowGrayLevelEmphasis_cor	0.877	0.921
	logsigma50mm3D_glcm_InverseVariance_cor	0.964	0.991
	waveletHHH_gldm_LargeDependenceLowGrayLevelEmphasis_cor	0.881	0.934
	logsigma50mm3D_firstorder_Maximum_cor	0.827	0.869
	waveletLLL_firstorder_Kurtosis_cor	0.937	0.892
	waveletHHH_glrlm_ShortRunEmphasis_cor	0.998	0.987
	logsigma50mm3D_glcm_Idmn_cor	0.995	0.998