Table 3.

Multivariate analysis of the prognostic factors by Cox's regression model in node-positive patients (n = 107).

Variable	Hazard Ratio	95% CI	P-value
Age (continuous)	0.99	0.97–1.03	0.887
T1 versus (T2 + T3 + T4)	0.88	0.33–2.34	0.791
Tumor size (continuous)	1.12	0.99–1.26	0.071
Histologic  grade (G1 + G2 versus G3)	3.52	1.66–7.48	0.001
ER expression (yes versus no)	0.39	0.19–0.81	0.012
ECE (yes versus no)	0.73	0.26–2.07	0.550
metLN (continuous)	0.93	0.01–1.018	0.052
LNR (continuous)	25.02	5.37–116.59	0.001
LN cancer area (continuous)	2.24	0.45–11.09	0.323