Table 4. Correlation analysis results for each feature in four radiomic features groups.

Feature group	0.9≤r≤1			0.7≤r<0.9			0.4≤r<0.7			0.2≤r<0.4			<0.2
	HCC	Con		HCC	Con		HCC	Con		HCC	Con		HCC	Con
IH	0	0		0	16		17	2		1	1		1	0
GLCM	0	0		0	19		19	3		1	1		3	0
GLRLM	0	0		0	16		15	0		0	0		1	0
GLSZM	0	0		0	12		14	3		0	1		2	0

Con represents control group.