Table I.
Correlation between pIgR expression and clinicopathological features in 77 cases of pancreatic cancer.
| pIgR expression | |||
|---|---|---|---|
| Characteristics | Low n=47 | High n=30 | P-value |
| Age (years) (mean ± SD) | 72.4 | 69.8 | 0.339a |
| Sex | 0.0608b | ||
| Male | 23 | 14 | |
| Female | 24 | 16 | |
| Tumor location | 0.6588b | ||
| Pancreatic head | 29 | 20 | |
| Pancreatic body/tail | 18 | 10 | |
| Histological type | 0.1008b | ||
| Adenocarcinoma | 43 | 30 | |
| Others | 4 | 0 | |
| TNM (UICC 7th) | 0.3395b | ||
| IIA | 14 | 6 | |
| IIB | 33 | 24 | |
| Histological differentiation | 0.1638b | ||
| G1 | 16 | 15 | |
| G2-4 | 31 | 15 | |
| Lymphatic invasion | 0.8813b | ||
| ly0, ly1 | 18 | 12 | |
| ly2, ly3 | 29 | 18 | |
| Venous invasion | 0.0697b | ||
| v0, v1 | 3 | 6 | |
| v2, v3 | 44 | 24 | |
| Perineural invasion | 0.4773b | ||
| ne01 | 11 | 5 | |
| ne23 | 36 | 25 | |
| Resection margin | 0.0618b | ||
| R0 | 32 | 19 | |
| R1-2 | 13 | 10 | |
| Adjuvant chemotherapy | 0.8645b | ||
| Absent | 21 | 14 | |
| Present | 26 | 16 | |
a
Student's t-test.
b
Pearson Chi-square test. pIgR, polymeric immunoglobulin receptor.