Table 3.

The selected features in combined model and weight index.

	Feature	coef	relative_to_max
1	Short diameter	1.64	-1
3	wavelet-HHH_glcm_Imc2	1.47	-0.90
14	Vessel convergence sign	1.02	0.62
7	wavelet-HHH_glcm_Imc1	0.99	-0.60
0	Long diameter	0.99	0.60
12	Vessel cover sign (interrupt)	0.61	-0.37
6	wavelet-HLH_gldm_LowGrayLevelEmphasis	0.48	-0.29
5	wavelet-LHH_glcm_Imc2	0.47	-0.29
8	Spiculation (short)	0.43	0.26
13	Vessel cover sign (abnormal branches)	0.43	0.26
10	Bronchial sign(dilation)	0.31	0.19
9	Bronchial sign(no)	0.15	-0.09
11	Bronchial sign(normal)	0.08	-0.05