Table 3.

Multivariable logistic regression analyses.

Intercept and variable	Model 1 (target lesions)			Model 2 (largest target lesion)
	Coefficient	Odds ratio (95% CI)	P value	Coefficient	Odds ratio (95% CI)	P value
Intercept	−0.48		0.36	−0.32		0.57
Delta Radiomics signature	1.50	4.47 (2.33, 9.59)	<0.01*	2.41	11.11 (4.03, 30.63)	<0.01*
Distant metastasis	0.94	2.56 (0.83, 7.89)	0.10*	1.27	3.55 (1.07, 11.75)	0.04*
C-index
Training set	0.83 (0.75, 0.91)			0.83 (0.75, 0.91)
Test set	0.81 (0.68, 0.95)			0.81 (0.69, 0.93)

^*P value < 0.05.