Table 3. Prognostic significance from Cox model using backward selection.

Variable	Parameter estimate	P-value	Hazard Ratio	95% CI for HR
Stage (I vs II/III)	0.55	0.035	1.73	1.04–2.87
KRAS mutation	−0.95	0.016	0.39	0.18–0.84
EGFR C	0.9	0.015	2.45	1.19–5.02
E-cadherin.C	−0.96	0.0069	0.38	0.19–0.77
pSTAT3.N	−1.18	0.0006	0.31	0.16–0.60
pCMET.1003.C	0.78	0.0049	2.16	1.27–3.73

Abbreviations: EGFR=epidermal growth factor receptor; CI=confidence interval; HR=Hazard ratio.