Table 2 Univariate and multivariate analyses for predictors of overall survival

Age (<60 vs ≥60)

1.574

0.779-3.178

0.206

Gender (male vs female)

0.731

0.371-1.440

0.365

Lymph node metastasis (no vs yes)

5.004

2.258-11.087

<0.001

10.933

4.133-14.481

0.027

TNM stage (I/II vs III/IV)

3.812

1.783-8.147

0.001

Differentiation (well vs moderate/poor)

7.726

2.644-22.582

<0.001

8.368

2.403-29.145

0.001

aPKC_ɩ expression (low vs high)

4.329

2.000-9.368

<0.001

4.766

1.549-14.661

0.006

CD68 expression (low vs high)

2.529

1.094-5.844

0.030

CD80 expression (low vs high)

1.272

0.646-2.503

0.486

CD206 expression (low vs high)

5.981

2.567-13.936

<0.001

3.526

1.268-9.808

0.016