Table 2.

Kaplan-Meier analysis for overall survival rate of patients with GC.

Characteristics	Mean survival time (months)	95% confidence interval (months)	P values*
Age (years)			0.843
<55	35.7 ± 3.24	29.4-42.1
≥55	39.7 ± 3.08	33.7-45.8
Gender			0.110
Male	41.3 ± 2.98	35.5-47.1
Femal	33.9 ± 3.64	26.7-41.0
Tumor differentiation			0.224
Well and moderate	38.8 ± 2.91	33.1-44.5
Poor	36.5 ± 3.55	29.5-43.5
Tumor depth			0.001
T1-2	61.7 ± 3.12	55.6-67.8
T3-4	32.3 ± 2.43	27.5-37.1
Lymph node metastasis			0.004
N0	50.6 ± 3.61	43.6-57.7
N1-3	32.2 ± 2.65	26.9-37.4
Distant metastasis			0.001
M0	43.4 ± 2.54	38.4-48.4
M1	18.2 ± 3.33	11.6-24.7
Clinical stage			0.001
Early stage (I/II)	55.8 ± 2.88	50.2-61.5
Advance stage (III/IV)	29.8 ± 2.63	24.6-35.0
DJ-1 expression			0.011
Low expression	46.9 ± 4.57	37.9-55.9
High expression	34.9 ± 2.51	30.1-39.9
PTEN expression			0.007
Low expression	33.3 ± 3.02	27.3-39.2
High expression	46.1 ± 3.07	40.0-52.1
Abnormal expression of DJ-1 and PTEN			0.001
No	48.6 ± 2.92	42.9-54.4
Yes	26.7 ± 2.91	21.0-32.4

*, Log rank test.