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Patient characteristics.
| Characteristic | n (%) |
|---|---|
| mRNA analysis population | 57 (100) |
| Gender | |
| Male | 39 (68) |
| Female | 18 (32) |
| Age (years) | |
| Median | 65 |
| Range | 39–80 |
| <65 | 25 (44) |
| ≥65 | 32 (56) |
| UICC T | |
| T1/2 | 2 (4) |
| T3/4 | 55 (96) |
| UICC N | |
| N(−) | 15 (26) |
| N(+) | 42 (74) |
| UICC M | |
| M(−) | 55 (96) |
| M(+) | 2 (4) |
| UICC stage | |
| I–II | 55 (96) |
| III–IV | 2 (4) |
| Histology | |
| Poor | 4 (7) |
| Moderate | 44 (77) |
| Well | 3 (5) |
| Other | 6 (11) |
| Adjuvant chemotherapy regimen | |
| Gemcitabine | 42 (74) |
| S-1 | 15 (26) |
