Table 3.

Landmark analysis for overall survival.

Modality	Time Point	Significant Features	HR (95% CI)	p-Value	C-Index
CT	5	GLCM_Correlation	0.33 (0.17, 0.62)	0.001	0.792
PET 40%	2	CONVENTIONAL_SUVbwKurtosis	1.85 (1.23, 2.78)	0.003	0.616
	2	CONVENTIONAL_SUVbwExcessKurtosis	1.85 (1.23, 2.78)	0.003	0.616
	2	DISCRETIZED_SUVbwKurtosis	1.94 (1.27, 2.97)	0.002	0.653
	2	DISCRETIZED_SUVbwExcessKurtosis	1.94 (1.27, 2.97)	0.002	0.653
	3	CONVENTIONAL_SUVbwstd	2.01 (1.2, 3.38)	0.008	0.551
	3	DISCRETIZED_SUVbwstd	2.01 (1.2, 3.38)	0.008	0.538
	3	GLZLM_ZLNU	2.3 (1.46, 3.64)	0.001	0.707
	5	DISCRETIZED_SUVbwSkewness	0.32 (0.14, 0.75)	0.009	0.736
PET 70%	3	CONVENTIONAL_SUVbwmin	2.01 (1.19, 3.41)	0.010	0.546
	3	CONVENTIONAL_SUVbwQ3	1.98 (1.17, 3.34)	0.010	0.519
	3	DISCRETIZED_SUVbwstd	1.98 (1.2, 3.27)	0.008	0.536