Table 5.

Pairwise Comparisons between Different Node Status Using Univariate and Multivariate Methods.

Pairwise	Univariate analysis of Overall Survival		Multivariate analysis of Overall Survival
	P	HR	95%CI	P
N0 v N1	0.072	1.675	0.957–2.931	0.071
N0 v N2	<0.001	3.661	2.063–6.498	<0.001
N0 v N3	<0.001	4.419	2.348–8.318	<0.001
N1 v N2	0.062	2.186	1.171–4.080	0.014
N1 v N3	<0.001	2.638	1.347–5.169	0.005
N2 v N3	0.012	1.207	0.622–2.343	0.578