Table 3 Multivariate analysis of prognostic factors

Location of tumor

0.085

0.001^*

 Head

-

1

 Body and tail

-

2.452 (1.414-4.253)

Differentiation

0.001^*

<0.001^*

 Well

1

1

 Moderate

2.368 (1.120-5.007)

0.024^*

2.163 (0.994-4.706)

0.052

 Poor

6.603 (2.515-17.338)

<0.001^*

7.076 (2.655-18.857)

<0.001^*

TNM staging

0.175

0.014^*

 IA + IB

-

1

 IIA

-

0.929

3.395 (1.414-8.148)

0.006^*

 IIB

-

0.922

3.551 (1.523-8.277)

0.003^*

 III + IV

-

0.077

4.218 (1.652-10.768)

0.003^*

Serum CA19-9 (kU/L)

0.021^*

0.008^*

 ≤ 39

1

1

 > 39

1.914 (1.105-3.318)

2.817 (1.313-6.043)

Serum CA50 (kU/L)

0.535

0.085

 ≤ 25

-

1

 > 25

-

0.552 (0.280-1.086)

Serum CEA (μg/L)

0.265

0.089

 ≤ 4.3

-

1

 > 4.3

-

1.554 (0.934-2.584)

MUC4 (2^-ΔCt)

0.001^*

0.010^*

 Low (<0.056)

1

1

 High (≥0.056)

2.281 (1.415-3.677)

1.976 (1.174-3.326)

MUC4/Y (2^-ΔCt)

0.067

0.243

 Low (<0.0044)

-

-

 High (≥0.0044)

-

-