DCE-MRI quantitative analysis and MRI-based radiomics for predicting the early efficacy of microwave ablation in lung cancers

Table 4 The features selected from T1WI, Ce-T1WI and combined sequences

Sequences	Coefficients	Image preprocessing	Categories	Features
T1WI	0.397	wavelet-HLL	GLSZM	High Gray Level Zone Emphasis
	0.329	lbp-3D-k	Firstorder	Kurtosis
	0.257	log-sigma-3-0-mm-3D	GLSZM	Gray Level NonUniformity
	0.020	logarithm	GLSZM	Size Zone NonUniformity
	0.015	wavelet-HLL	Firstorder	Kurtosis
	-0.127	wavelet-LLL	GLSZM	Size Zone NonUniformity Normalized
	-0.283	wavelet-HHL	GLRLM	High Gray Level Run Emphasis
Ce-T1WI	1.201	wavelet-LLH	Firstorder	Skewness
	0.797	gradient	Firstorder	10 Percentile
	0.622	logarithm	GLSZM	Gray Level NonUniformity
	0.370	wavelet-LLH	GLCM	Cluster Prominence
	-0.234	wavelet-LLH	Firstorder	10 Percentile
Combined	1.589	wavelet-LLH	Firstorder	Skewness_Ce-T1
	1.216	wavelet-HLL	GLSZM	High Gray Level Zone Emphasis_T1
	0.821	lbp-3D-k	Firstorder	Kurtosis_T1
	0.644	gradient	Firstorder	10 Percentile_Ce-T1
	0.592	logarithm	GLSZM	Gray Level NonUniformity_Ce-T1
	0.265	log-sigma-3-0-mm-3D	GLSZM	Gray Level NonUniformity_T1
	0.154	wavelet-HLL	Firstorder	Kurtosis_T1
	-0.109	logarithm	GLSZM	Size Zone NonUniformity_T1
	-1.245	wavelet-LLH	Firstorder	10 Percentile_Ce-T1
	-1.939	wavelet-HHL	GLRLM	High Gray Level Run Emphasis_T1

GLSZM refers to gray-level size zone matrix, GLRLM refers to gray-level run-length matrix, and GLCM refers to gray-level co-occurrence matrix

ISSN: 1470-7330