Table 2:

List of radiomics features in this study

Method	Quant. algo.	N_g	NS	Features	NF
Non-textures				Volume, size, solidity, eccentricity	4
Histogram	Equal probability, uniform	16 32	2	Variance, skewness, and kurtosis	24
GLCM	Equal probability, uniform	16 32	2	Energy, Contrast, Correlation, Homogeneity, Variance, Sum Average, Entropy, Dissimilarity and Autocorrelation	72
GLRLM	Equal probability, uniform	16 32	2	Short Run Emphasis (SRE), Long Run Emphasis (LRE), Gray-level Non-uniformity (GLN), Run-Length Non-uniformity (RLN), Run Percentage (RP), Low Gray-level Run Emphasis (LGRE), High Gray-level Run Emphasis (HGRE), Short Run Low Gray-level Emphasis (SRLGE), Short Run High Gray-level Emphasis (SRHGE), Long Run Low Gray-level Emphasis (LRLGE), Long Run High Gray-level Emphasis (LRHGE), Gray-level Variance (GLV) and Run-Length Variance (RLV)	104
GLSZM	Equal probability, uniform	16 32	2	Small Zone Emphasis (SZE), Large Zone Emphasis (LZE), Gray-level Non-uniformity (GLN), Zone-Size Non-uniformity (ZSN), Zone Percentage (ZP), Low Gray-level Zone Emphasis (LGZE), High Gray-level Zone Emphasis (HGZE), Small Zone Low Gray-level Emphasis (SZLGE), Small Zone High Gray-level Emphasis (SZHGE), Large Zone Low Gray-level Emphasis (LZLGE), Large Zone High Gray-level Emphasis (LZHGE), Gray-level Variance (GLV) and Zone-Size Variance (ZSV)	104
NGTDM	Equal probability, uniform	16 32	2	Coarseness, Contrast, Busyness, Complexity and Strength	40

Note:—Quant. algo. indicates quantization algorithm; N_g, number of gray levels; NS, number of scales; NF, number of features; GLCM, gray-level co-occurrence matrix; GLRLM, gray-level run length matrix; GLSZM, gray-level size zone matrix; NGTDM, neighborhood gray-tone difference matrix.