Table 1.
Clinical characteristics of patients with ESCC
| Clinical Variables | No. of patients | % |
|---|---|---|
| Gender | ||
| Male | 102 | 68.9 |
| Female | 46 | 31.1 |
| Age (y) | ||
| <60 | 87 | 58.8 |
| ≥60 | 61 | 41.2 |
| Clinical stage | ||
| I | 3 | 2 |
| II | 82 | 55.4 |
| III | 62 | 41.9 |
| IV | 1 | 0.7 |
| T classification | ||
| T1 | 6 | 4.1 |
| T2 | 29 | 19.6 |
| T3 | 104 | 70.3 |
| T4 | 9 | 6.1 |
| N classification | ||
| N0 | 75 | 50.7 |
| N1 | 72 | 48.6 |
| N2 | 1 | 0.7 |
| M classification | ||
| M0 | 147 | 99.3 |
| M1 | 1 | 0.7 |
| Depth of invasion | ||
| <66% | 43 | 29.1 |
| ≥66% | 96 | 64.9 |
| Location | ||
| Upper | 10 | 6.8 |
| Middle | 96 | 64.9 |
| Lower | 42 | 28.4 |
| Differentiation | ||
| Well | 25 | 16.9 |
| Moderate | 74 | 50.0 |
| Poor | 47 | 31.8 |
| Recurrence | ||
| No | 60 | 40.5 |
| Yes | 88 | 59.5 |
| Vital status (at follow‐up) | ||
| Alive | 73 | 49.3 |
| Death | 75 | 50.7 |