Indoleamine 2,3-Dioxygenase (IDO) Expression Is an Independent Prognostic Marker in Esophageal Adenocarcinoma

Table 2

Patient characteristics of the entire cohort, IDO expression results (; 496 patients analyzable).

	IDO expression single spot
	Negative		Positive		value
	No.	%	No.	%
Sex
Female	31	53.4%	27	46.6%	0.331
Male	204	46.6%	234	53.4%
Age group
<65 years	132	51.0%	127	49.0%	0.166
>65 years	105	44.5%	132	55.5%
pT1	13	26.8%	52	73.2%	0.004
pT2	27	49.1%	28	50.9%
pT3	179	51.1%	171	48.9%
pT4	9	50.0%	9	50.0%
pN0	74	38.1%	120	61.9%	<0.001
pN1	79	44.6%	98	55.4%
pN2	40	64.5%	22	35.5%
pN3	40	65.6%	21	34.4%
Neoadjuvant treatment
Yes	90	41.7%	126	58.3%	0.029
No	145	51.8%	135	48.2%
UICC stage
I	34	33.7%	67	66.3%	<0.001
II	44	38.9%	69	61.1%
III	118	57.3%	88	42.7%
IV	37	50.0%	37	50.0%