Table 1.

Univariate and multivariate analyses of risk score and patient overall survival.

Variables	Univariate analysis			Multivariate analysisc
	HRa	95% CIb	P value	HRa	95% CIb	P value
Age (years) <60 vs ≥60	1.766	1.297–2.404	<0.001	1.680	1.232–2.293	0.001
Gender Female vs Male	0.965	0.707–1.318	0.825
T stage T1 or T2 vs T3 or T4	3.043	2.245–4.124	<0.001	1.528	1.062–2.197	0.022
N stage N0 or Nx vs N1	3.554	1.871–6.748	<0.001	1.864	0.968–3.591	0.063
M stage M0 or Mx vs M1	4.369	3.197–5.971	<0.001	2.505	1.739–3.609	<0.001
Grade G1 or G2 or Gx vs G3 or G4	2.605	1.853–3.661	<0.001	1.559	1.078–2.256	0.018
SLC27A2 High vs Low	0.350	0.252–0.486	<0.001	0.520	0.367–0.738	<0.001

^aHazard ratio, estimated from Cox proportional hazard regression model.

^bConfidence interval of the estimated HR.

^cMultivariate models were adjusted for T, N, M classification, age, and gender.