Table 2.

Relationships between Prdx 1 and E-Ca protein expressions (immunohistochemical staining) in gastric cancer tissues and various clinicopathological variables.

Variables	Total	Prdx 1 expression				E-Ca expression
		Low (n=62)	High (n=127)	χ2	P	Low (n=106)	High (n=83)	χ2	P
Gender
Male	134	42	92	0.446	0.504	77	57	0.355	0.551
Female	55	20	35			29	26
Age at surgery (yeas)
≤60	90	34	56	1.928	0.165	48	42	0.528	0.467
>60	99	28	71			58	41
Size of primary tumor (cm)
≤5	95	31	64	0.003	0.959	51	44	0.447	0.504
>5	94	31	63			55	39
Borrmann type
I+II type	63	21	42	0.012	0.913	32	31	1.074	0.300
III+IV type	126	41	85			74	52
Degree of differentiation
Well/moderate	86	37	49	7.476	0.006*	41	45	4.532	0.033*
Poor and not	103	25	78			65	38
Histological type
Adenocarcinoma	160	54	106	0.423	0.515	92	68	0.848	0.357
Others	29	8	21			14	15
Depth of invasion
T1	8	5	3	15.592	0.001*	1	7	18.040	0.000*
T2	22	14	8			6	16
T3	59	18	41			41	18
T4	100	25	75			58	42
Lymph node metastasis
N0	43	19	24	9.060	0.029*	22	21	0.753	0.861
N1	47	20	27			26	21
N2	54	14	40			31	23
N3	45	9	36			27	18
TNM stage
I	13	9	4	19.911	0.000*	3	10	8.502	0.037*
II	63	29	34			34	29
III	100	22	78			59	41
IV	13	2	11			10	3