Table III.

Univariate analysis and multivariate analyses of overall survival in patients with colorectal cancer.

A, Univariate analysis
Variables	HR	95% CI	P-value
EZH2 expression	2.872	1.204–6.349	0.009
Age	2.142	0.936–4.898	0.071
Sex	1.983	0.851–4.619	0.113
Tumor size	2.290	1.019–5.148	0.045
Lymph node metastases	2.297	1.022–5.164	0.044
Histological differentiation	2.448	1.107–5.414	0.027
Tumor stage	2.717	1.209–6.108	0.016
B, Multivariate analysis
Variables	HR	95% CI	P-value
EZH2 expression	2.625	1.204–5.722	0.015
Age	–	–	–
Sex	–	–	–
Tumor size	2.499	1.128–5.537	0.024
Lymph node metastases	2.485	1.122–5.505	0.025
Histological differentiation	2.551	1.168–5.573	0.019
Tumor stage	2.737	1.270–5.900	0.010

HR, hazard ratio, CI, confidence interval; EZH2, enhancer of zeste homolog 2.