Table 1.
The relationship between tumour related factors, overall and disease-free survival in patients undergoing potentially curative resection for esophageal cancer
| Disease-free survival | Overall survival | ||||
|---|---|---|---|---|---|
| Clinicopathological variables | Frequency n (%) | 5-year survival rate (%) | p-value | 5-year survival rate (%) | p-value |
| T stage | |||||
| CR | 22 (7.5) | 100.0 | < 0.001 | 100.0 | < 0.001 |
| 1 | 74 (25.2) | 84.0 | 80.0 | ||
| 2 | 32 (10.9) | 45.5 | 40.9 | ||
| 3 | 144 (49.0) | 37.0 | 33.8 | ||
| 4 | 22 (7.5) | 0.0 | 0.0 | ||
| N stage | |||||
| 0 | 145 (49.3) | 72.9 | < 0.001 | 69.5 | < 0.001 |
| 1 | 80 (27.2) | 35.6 | 31.1 | ||
| 2 | 48 (16.3) | 11.1 | 5.6 | ||
| 3 | 21 (7.1) | 11.1 | 11.1 | ||
| Tumour Stage | |||||
| CR | 22 (7.5) | 100.0 | < 0.001 | 100.0 | < 0.001 |
| I | 82 (27.9) | 72.7 | 69.7 | ||
| II | 60 (20.4) | 63.9 | 58.3 | ||
| III | 130 (44.2) | 20.3 | 16.9 | ||
| Differentiation | |||||
| Well/Moderate | 175 (59.5) | 58.0 | 0.002 | 53.1 | 0.005 |
| Poor | 119 (40.5) | 30.0 | 28.0 | ||
| Vascular invasion | |||||
| No | 153 (52.0) | 68.8 | < 0.001 | 67.2 | < 0.001 |
| Yes | 141 (48.0) | 26.9 | 20.9 | ||
| Lymph node sample | |||||
| ≥ 15 | 154 (52.4) | 48.8 | 0.667 | 45.1 | 0.631 |
| < 15 | 140 (47.6) | 44.9 | 40.8 | ||
| R status | |||||
| 0 | 179 (60.9) | 62.2 | < 0.001 | 55.4 | 0.002 |
| 1 | 115 (39.1) | 28.1 | 28.1 | ||
| Perioperative chemotherapy | |||||
| No | 87 (39.6) | 65.8 | 0.007 | 65.8 | 0.001 |
| Yes | 207 (70.4) | 39.8 | 34.4 | ||
| 0 |