Prognostic Significance of mTOR and PTEN in Patients with Esophageal Squamous Cell Carcinoma

Table 4

Multivariate analysis of disease-free survival.

Factors	Levels	Beta	value	HR	95% CI
Gender	Male versus female	0.239	0.377	1.224	0.781 to 1.919
Tumor length	5 versus <5	−0.144	0.502	0.866	0.569 to 1.318
Age	65 versus <65	0.084	0.699	1.088	0.709 to 1.669
T category	T1 + T2 versus T3 + T4	1.643	0.001	5.170	1.956 to 13.664
N category	N0 versus N1	1.757	0.000	5.793	2.318 to 14.478
p-stage	I versus II + III	−2.79	0.621	0.757	0.251 to 2.286
Differentiation	Well versus moderate + poor	0.493	0.195	1.638	0.776 to 3.455
mTOR	High versus low	0.801	0.022	2.229	1.123 to 4.425

HR: hazard ratio; CI: confidence interval.