Table 5.

Multivariable analysis of the three scores and clinicopathological characteristics with overall survival

Factors	HR	95% CI	P value
Preoperative T stage	2.59	1.03–6.53	0.04
Total number of dissected lymph node	1.03	1.00–1.06	0.04
Postoperative N status	2.09	1.48–3.98	< 0.01
TNM stage	2.67	1.15–6.23	0.02
rad_score	0.22	0.11–0.42	< 0.01
clinical_score	2.65	1.07–6.54	0.03
rad_clinical_score	4.27	1.18–15.39	0.03

Abbreviations: HR hazard ratio, CI confidence interval