Table 1.
Clinical patients characteristics
| Variables | Values | Range or percent |
|---|---|---|
| Total no. of patients | 91 | |
| Age, years (median) | 61 | 38–82 |
| < 70 | 78 | 85.7% |
| ≥ 70 | 13 | 14.3% |
| Gender | ||
| Male | 61 | 67.0% |
| Female | 30 | 33.0% |
| Clinical tumor depth | ||
| T2 | 4 | 4.2% |
| T3 | 85 | 93.4% |
| T4 | 2 | 2.2% |
| Clinical lymph node metastases | ||
| N0 | 41 | 45.0% |
| N1 | 28 | 30.8% |
| N2 | 22 | 24.2% |
| Histological classification | ||
| High differentiation | 11 | 12.1% |
| Moderate differentiation | 76 | 83.5% |
| Low differentiation | 4 | 4.4% |
| Treatment response | ||
| CR | 0 | 0.0% |
| PR | 56 | 61.5% |
| SD | 28 | 30.8% |
| PD | 7 | 7.7% |
| Post-operation pathological response | ||
| Response (pCR + pPR) | 20 | 22.0% |
| Non-response | 71 | 78.0% |
CR complete response, PR partial response, SD stable disease, PD progressive disease, pCR pathological complete response, pPR pathological partial response