Table 2 Univariate and multivariate logistic regression analyses for predictive factors of responders in the training set

Univariate logistic analysis

 GTV-ln

1.055

1.018–1.093

0.003

 Intra_Rad-score

2.718

1.857–3.980

< 0.001

 Peri_Rad-score

2.718

1.837–4.022

< 0.001

 Intra + Peri_Rad-score

2.718

1.835–4.026

< 0.001

Multivariate logistic analysis

 Intra clinical-radiomic

GTV-ln

1.041

0.992–1.091

0.102

Rad-score

2.577

1.784–3.723

< 0.001

 Peri clinical-radiomic

GTV-ln

1.039

0.994–1.086

0.087

Rad-score

2.638

1.770–3.932

< 0.001

 Intra + Peri clinical-radiomic

GTV-ln

1.061

1.004–1.121

0.036

Rad-score

2.935

1.867–4.613

< 0.001