Table 2.

The final lung radiomics features of the four groups A–D selected from the survival Cox model, respectively.

Group	Definition	Lung radiomics features selected by survival Cox	Coef	HR:exp(coef)/95%CI	Se(coef)	z	p-value
Group A	Radiomics 1	original_shape_SurfaceVolumeRatio	−0.396	0.673/ 0.531–0.853	0.121	−3.275	**
	Radiomics 2	log.sigma.5.0.mm.3D_firstorder_TotalEnergy	0.316	1.372/1.056–1.783	0.134	2.369	*
	Radiomics 3	wavelet.LLL_firstorder_Minimum	−0.248	0.780/ 0.684–0.890	0.067	−3.693	***
Group B	Radiomics 4	wavelet.LLH_glszm_LargeAreaLowGrayLevelEmphasis	0.414	1.512/1.137–2.012	0.146	2.838	**
	Radiomics 5	wavelet.LLL_firstorder_Minimum	−0.384	0.681/0.567–0.818	0.094	−4.106	***
Group C	Radiomics 6	log.sigma.1.0.mm.3D_firstorder_Maximum	0.297	1.346/1.082–1.675	0.112	2.665	**
	Radiomics 7	log.sigma.1.0.mm.3D_glszm_SmallAreaEmphasis	−0.529	0.589/0.399–0.871	0.200	−2.651	**
	Radiomics 8	log.sigma.5.0.mm.3D_firstorder_10Percentile	−0.7350	0.479/0.336–0.685	0.182	−4.045	***
	Radiomics 9	wavelet.LLH_firstorder_RootMeanSquared	−0.230	0.794/0.640–0.985	0.110	−2.096	*
	Radiomics 10	wavelet.LHL_firstorder_Kurtosis	0.529	1.697/1.214–2.373	0.172	3.091	**
	Radiomics 11	wavelet.LLL_firstorder_10Percentile	−1.085	0.338/0.223–0.513	0.213	−5.099	***
Group D	Radiomics 12	original_shape_Maximum2DDiameterRow	−0.374	0.688/0.446–1.062	0.221	−1.689	.
	Radiomics 13	original_firstorder_10Percentile	−0.654	0.520/0.358–0.756	0.191	−3.428	***
	Radiomics 14	log.sigma.1.0.mm.3D_glcm_ClusterProminence	−0.357	0.700/0.4905–0.9978	0.181	−1.972	*
	Radiomics 15	log.sigma.1.0.mm.3D_glszm_ZoneEntropy	0.461	1.585/1.064–2.364	0.204	2.262	*
	Radiomics 16	log.sigma.2.0.mm.3D_firstorder_Maximum	0.186	1.205/1.006–1.443	0.092	2.022	*