Table 1.
Correlation of CXCR2 expression on peripheral CD68+ macrophages with clinicopathological parameters in patients with pancreatic cancer
| Clinicopathological parameters | N | CXCR2 expression | χ2 | P value | |
| Low (n=26) | High (n=18) | ||||
| Age (years) | |||||
| <65 | 21 | 12 | 9 | 0.063 | 0.802 |
| ≥65 | 23 | 14 | 9 | ||
| Gender | |||||
| Male | 25 | 15 | 10 | 0.020 | 0.888 |
| Female | 19 | 11 | 8 | ||
| Tumor size (cm) | |||||
| ≤3.0 | 24 | 16 | 8 | 1.254 | 0.263 |
| >3.0 | 20 | 10 | 10 | ||
| Tumor site | |||||
| Head | 33 | 20 | 13 | 0.125 | 0.723 |
| Body+tail | 11 | 6 | 5 | ||
| Histological grade | |||||
| Poor+moderate | 38 | 23 | 15 | 0.238 | 0.626 |
| Well | 6 | 3 | 3 | ||
| Tumor classification | |||||
| T1–T2 | 20 | 16 | 4 | 6.631 | 0.010* |
| T3–T4 | 24 | 10 | 14 | ||
| Node classification | |||||
| N0 | 18 | 14 | 4 | 4.400 | 0.036* |
| N1+N2 | 26 | 12 | 14 | ||
| Distant metastasis | |||||
| M0 | 36 | 21 | 15 | 0.047 | 0.828 |
| M1 | 8 | 5 | 3 | ||
| Clinical stage | |||||
| I–II | 16 | 13 | 3 | 5.107 | 0.024* |
| III–IV | 28 | 13 | 15 | ||