Table 3.

Analysis of the independent factors for disease-free survival of all ESCC patients, Guangzhou, 2005–2010 (N=944 )

Variables	Univariate analysis			Multivariate analysis
	HR	95% CI	p	HR	95% CI	p
Gender	0.755	0.476–1.198	0.233
Age	0.986	0.973–1.001	0.058
ALB	0.990	0.960–1.020	0.493
GLB	1.002	0.977–1.027	0.896
CEA	1.028	0.992–1.065	0.125
Tumor site	0.868	0.702–1.074	0.194
Tumor size	0.969	0.903–1.039	0.377
Differentiation	1.089	0.916–1.296	0.333
TNM	1.438	1.188–1.740	<0.001	1.453	1.208–1.747	<0.001
Smoking index	1.347	1.024–1.964	0.002	1.597	1.209–2.110	0.001