Table 1.
Correlation between expression of OPN in tumor/stromal cells and clinical characteristics in pancreatic cancer
| Variables | Cases | OPN expression in tumor cells | P‐value | OPN expression in stromal cells | P‐value | ||
|---|---|---|---|---|---|---|---|
| Negative (%) | Positive (%) | Negative (%) | Positive (%) | ||||
| Gender | |||||||
| Male | 43 | 34 (79.1) | 9 (20.9) | 0.815 | 13 (30.2) | 30 (69.8) | 0.618 |
| Female | 32 | 26 (81.3) | 6 (18.7) | 8 (25.0) | 24 (75.0) | ||
| Age | |||||||
| ≤60 | 24 | 17 (70.8) | 7 (29.2) | 0.293 | 7 (29.2) | 17 (70.8) | 0.877 |
| >60 | 51 | 43 (84.3) | 8 (15.7) | 14 (27.5) | 37 (72.5) | ||
| TNM stage (AJCC) | |||||||
| I + II | 56 | 46 (82.1) | 10 (17.9) | 0.642 | 20 (35.7) | 36 (64.3) | 0.011 |
| III + IV | 19 | 14 (73.7) | 5 (26.3) | 1 (5.3) | 18 (94.7) | ||
| pT status | |||||||
| T1 + T2 | 15 | 13 (86.7) | 2 (13.3) | 0.718 | 7 (46.7) | 8 (53.3) | 0.139 |
| T3 + T4 | 60 | 47 (78.3) | 13 (21.7) | 14 (23.3) | 46 (76.7) | ||
| pN status | |||||||
| N0 | 52 | 44 (84.6) | 8 (15.4) | 0.234 | 16 (30.8) | 36 (69.2) | 0.422 |
| N1 | 23 | 16 (69.6) | 7 (30.4) | 5 (21.7) | 18 (78.3) | ||
| pM status | |||||||
| M0 | 63 | 52 (82.5) | 11 (17.5) | 0.386 | 21 (33.3) | 42 (66.7) | 0.045 |
| M1 | 12 | 8 (66.7) | 4 (33.3) | 0 (0.0) | 12 (100.0) | ||