Table 3.

Multivariable analysis of all Variables using Cox proportional hazard regression model

Variables	HR	p value	95.0% CI
			Lower	Upper
Grade
Well or moderately differentiated	1
Poorly differentiated	0.442	< 0.001	0.284	0.689
T stage
T1	1
T2	0.086	< 0.001	0.033	0.228
T3	0.225	< 0.001	0.128	0.395
T4	0.277	< 0.001	0.189	0.407
N stage
N0	1
N1	0.066	0.009	0.009	0.507
N2	0.341	0.002	0.172	0.674
N3	0.580	0.036	0.348	0.965
LNR
0	1
0–0.13	2.358	0.402	0.317	17.519
0.13–0.4	0.721	0.342	0.368	1.414
> 0.4	0.427	< 0.001	0.277	0.659

CI: confidence interval