Table 4.

Univariate and multivariate analysis of survival in the surgical group of ESCC patients

Variables (n = 41)	Univariate P	Multivariate P	Hazard ratio	Confidence interval
pStage
I, II (n = 10)	0.03	0.008	9.3	1.8-48.6
III, IV (n = 31)				1
Histopathological grade
Grade 2, 3 (n = 21)	0.004	0.002	5.6	1.9-16.6
Grade1 (n = 20)			1
Nuclear Aurola-A
(+) (n = 24)	0.30	0.73	1.3	0.3-4.6
(−) (n = 17)			1
Nuclear + cytoplasmic
Aurora-A
(+) (n = 29)	0.40	0.91	1.1	0.2-4.4
(−) (n = 12)			1

Aurora-A (+)/(−), Aurora-A positive/negative expression.