Table 2.

Univariate and multivariate Cox regression analysis of potential prognostic factors for colorectal cancer patients

	Univariate analysis			Multivariate analysis
	HR	95% CI	P value	HR	95% CI	P value
Age	1.300	0.633-2.541	0.503
Gender	0.863	0.507-1.557	0.679
Tumor size	2.001	1.095-3.657	0.024*	1.766	0.937-3.325	0.078
Tumor grade	2.155	1.189-3.905	0.011*	1.074	0.552-2.093	0.883
N stage	3.621	1.964-6.292	0.000**	0.075	0.006-0.720	0.033*
Clinical stage	4.308	2.124-6.890	0.000**	49.250	4.419-584.558	0.002**
Tumor location	2.220	1.314-3.750	0.003**	2.107	1.176-3.776	0.012*
53BP1 expression	0.496	0.288-0.912	0.023*	0.619	0.325-1.181	0.145

HR, hazard ratio; CI, confidence interval;

^*P < 0.05;

^**P < 0.01 statistically significant.