Table 1.
Patients’ characteristics for 357 ESCC patients
| Characteristics | Number of patients (%) |
|---|---|
| Gender | |
| Male | 279 (78.2) |
| Female | 78 (21.8) |
| Age (years) | |
| ≤ 65 | 276 (77.3) |
| > 65 | 81 (22.7) |
| Vascular invasion | |
| Yes | 312 (87.4) |
| No | 45 (12.6) |
| Tumor cell differentiation | |
| G1 | 54 (15.1) |
| G2 | 258 (72.3) |
| G3 | 45 (12.6) |
| Tumor location | |
| Upper third | 60 (16.8) |
| Middle third | 260 (72.8) |
| Lower third | 37 (10.4) |
| T stage | |
| T1 | 40 (11.2) |
| T2 | 71 (19.9) |
| T3 | 209 (58.5) |
| T4 | 37 (10.4) |
| N stage | |
| N0 | 155 (43.4) |
| N1–3 | 202 (56.6) |
| Pathological stage | |
| I | 29 (8.1) |
| II | 123 (34.5) |
| III | 149 (41.7) |
| IVa | 56 (15.7) |
| Adjuvant therapy | |
| Yes | 214 (60) |
| No | 143 (40) |