Table 6.

Univariate analysis of prognostic factors for 5-year survival according to Cox’s proportional hazards regression model in patients with stage II colon cancer

Variables	B	SE	Wald value	P value	RR
Age	-0.837	0.404	4.290	0.038	0.433
pT stage	0.667	0.395	2.859	0.091	1.949
Chemotherapy	-0.727	0.443	2.698	0.100	0.483
18q-LOH	0.903	0.425	4.509	0.014	2.467
MSI	1.147	0.736	2.428	0.039	3.149

18q-LOH: Loss of heterozygosity at chromosome 18q; MSI: Microsatellite instability.