Table 2 Cox proportional-hazard regression model analysis for overall survival

Age(years)

≤65

92.43%

83.68%

reference

reference

>65

90.58%

81.88%

1.32(0.70~2.46)

0.390

1.54(0.81~2.93)

0.187

Gender

Male

89.77%

80.46%

reference

reference

Female

95.01%

86.78%

0.64(0.35~1.16)

0.141

0.61(0.32~1.12)

0.115

Tumor location

Stomach

91.14%

86.00%

reference

reference

Non-stomach

93.43%

78.49%

1.75(0.98~3.11)

0.058

1.20(0.66~2.20)

0.550

Tumor size(cm)

≤5

96.17%

90.07%

reference

reference

>5

86.41%

73.38%

3.67(1.99~6.74)

<0.001

2.40(1.27~4.56)

0.007

Necrosis of tumor

No

96.39%

91.67%

reference

reference

Yes

82.47%

66.62%

4.50(2.48~8.18)

<0.001

3.03(1.54~5.95)

0.001

Mitotic index (per 50 HPF)

≤5

96.47%

89.78%

reference

reference

>5

84.74%

72.18%

3.13(1.75~5.62)

<0.001

2.11(1.11~4.02)

0.023

NIH risk grade

Extremely low or low

100%

100%

reference

Moderate or high

87.41%

72.60%

7.37(2.90~18.73)

<0.001

SOCS6 expression

High

95.75%

89.62%

reference

reference

Low

89.49%

78.95%

2.51(1.27~4.93)

0.008

2.58(1.27~5.24)

0.009