TABLE 2.

Cox proportional hazards regression model analysis for OS of ESCC patients.

Characteristics	Total (N)	Univariate analysis		Multivariate analysis
		Hazard ratio (95% CI)	p value	Hazard ratio (95% CI)	p value
T stage	79
T1&T2	35	Reference
T3&T4	44	0.942 (0.414–2.142)	0.887
N stage	78
N0	46	Reference
N1	26	1.960 (0.789–4.869)	0.147	1.315 (0.353–4.896)	0.684
N2&N3	6	4.310 (1.301–14.279)	0.017	7.977 (1.200–53.005)	0.032
M stage	73
M0	70	Reference
M1	3	3.197 (0.909–11.238)	0.070	4.643 (0.878–24.553)	0.071
APOC1	82
Low	41	Reference
High	41	2.302 (1.027–5.158)	0.043	3.210 (1.119–9.208)	0.030
Gender	82
Female	12	Reference
Male	70	10.030 (1.323–76.071)	0.026	191838562.424 (0.000–Inf)	0.998
Pathologic stage	79
Stage I&Stage II	54	Reference
Stage IV&Stage III	25	2.178 (0.958–4.952)	0.063	0.512 (0.123–2.133)	0.358
Age	82
<=60	53	Reference
>60	29	1.592 (0.676–3.749)	0.288