Clinical characteristics and prognosis of young patients with colorectal cancer in Eastern China

Table 2 Multivariate analysis (Cox proportional hazard model) of prognostic factors for 1335 patients with colorectal cancer

Variable	OR	95%CI	P value
Stage (III + IV/I + II)	2.196	1.827-2.639	0.000
Approach of surgery (non-radical/radical)	4.496	3.718-5.437	0.000
Age (> 30 yr/ ≤ 30 yr)	0.866	0.592-1.269	0.461
Gender (male/female)	0.997	0.852-1.167	0.970
Tumor location (rectum/colon)	1.270	1.084-1.488	0.003
Differentiation (moderate + well/low )	0.802	0.650-0.990	0.041
Histology (others/mucinous)	0.791	0.632-0.990	0.041