. 2015 Aug 19;10(4):2197–2203. doi: 10.3892/ol.2015.3624

Table II.

Cox multivariate analysis: The associations between clinical factors and esophageal cancer survival rates.

	Overall survival			Disease-free survival

Characteristic	HR	95% CI	P-Value	HR	95% CI	P-value
Age (≥60 vs. <60 years)	1.129	0.613–2.077	0.697	1.157	0.628–2.130	0.641
Gender (female vs. male)	0.863	0.423–1.763	0.686	0.908	0.445–1.855	0.792
Position (upper vs. middle vs. lower)	1.329	0.690–2.560	0.396	1.319	0.686–2.538	0.406
Differentiation (high vs. moderate vs. poor)	1.254	0.796–1.974	0.329	1.252	0.795–1.971	0.332
TNM stage (I vs. II vs. III)	3.379	1.919–5.952	<0.001^a	3.497	1.979–6.181	<0.001^a
P53 expression (low vs. high)	2.102	1.108–3.991	0.023^a	2.138	1.127–4.056	0.020^a
Cox-2 expression (low vs. high)	1.473	0.742–2.923	0.268	1.453	0.734–2.875	0.283
P53(+) Cox-2(+) vs. other groups	2.212	1.219–4.012	0.009^a	2.221	1.228–4.017	0.008^a

P<0.05. HR, hazard ratio; CI, confidence interval.