Table 5.

Univariate analysis of the correlation between clinicopathological parameters and disease-free survival time of patients with gastric cancer.

Variable	Mean survival time (m)	95% CI	Log-rank test	P
Gender
Male	42.675	37.864–47.487	0.026	0.873
Female	41.668	34.077–49.260
Age at surgery (yeas)
≤60	44.413	38.562–50.265	0.624	0.430
>60	40.824	35.209–46.439
Size of primary tumor (cm)
≤5	41.283	35.785–46.781	0.274	0.601
>5	43.781	37.813–49.748
Borrmann type
I+II type	44.407	37.282–51.531	0.469	0.493
III+IV type	41.486	36.547–46.424
Degree of differentiation
Well/moderate	48.799	43.077–54.521	7.959	0.005
Poor and not	37.144	31.616–42.671
Histological type
Adenocarcinoma	41.130	36.762–45.499	1.961	0.161
Others	47.854	37.543–58.165
Depth of invasion
T1	69.250	64.582–73.918	28.117	0.000
T2	62.579	54.201–70.958
T3	42.457	34.491–50.423
T4	39.473	33.659–45.287
Lymph node metastasis
N0	50.574	42.663–58.485	18.060	0.000
N1	51.080	43.649–58.510
N2	37.015	29.857–44.173
N3	31.325	22.864–39.787
TNM stage
I	70.429	67.577–73.280	45.520	0.000
II	46.928	40.568–53.289
III	39.531	33.837–45.225
IV	10.846	6.640–15.052
Prdx 1 expression
Low	56.937	51.396–62.477	21.481	0.000
High	35.519	30.553–40.484
E-Ca expression
Low	33.797	28.696–38.898	18.717	0.000
High	52.490	46.853–58.127