Table 1.
Frequency of clinicopathological characteristics.
| Variables | N (%) |
|---|---|
| Age ∗ | 62.99 ± 10.42 |
| Gender | |
| Male | 225 (79.5) |
| Female | 58 (20.5) |
| Group of 4 | |
| EAC | 84 (29.7) |
| nEAC | 117 (41.3) |
| ESCC | 32 (11.3) |
| nESCC | 50 (17.7) |
| Neoadjuvant treatment | |
| Yes | 167 (59.0) |
| No | 116 (41.0) |
| Adjuvant treatment | |
| Yes | 30 (10.6) |
| No | 253 (89.4) |
| Depth of tumor | |
| pT0/ypT0 | 1 (0.4)/13 (4.6) |
| pTis/ypTis | 3 (1.1)/1 (0.4) |
| pT1/ypT1 | 58 (20.5)/17 (6.0) |
| pT2/ypT2 | 21 (7.4)/29 (10.2) |
| pT3/ypT3 | 25 (8.8)/94 (33.2) |
| pT4/ypT4 | 4 (1.4)/8 (2.8) |
| pTx/ypTx | 4 (1.4)/5 (1.8) |
| Nodal stage | |
| pN0/ypN0 | 77 (27.2)/70 (24.6) |
| pN1/ypN1 | 35 (12.3)/75 (26.5) |
| pN2/ypN2 | 1 (0.4)/9 (3.2) |
| pN3/ypN3 | 2 (0.8)/13 (4.6) |
| pNx/ypNx | 1 (0.4)/0 (0.0) |
| Tumor grading | |
| G1 | 13 (4.6) |
| G2 | 125 (44.2) |
| G3 | 117 (41.3) |
| G4 | 25 (8.8) |
| Gx | 3 (1.1) |
| UICC stage | |
| 0 | 27 (9.5) |
| 1 | 75 (26.5) |
| 2 | 80 (28.3) |
| 3 | 97 (34.3) |
| 4 | 4 (1.4) |
| Surgical approach | |
| One-stage | 233 (82.3) |
| Two-stage | 50 (17.7) |
∗Age is reported as the mean ± SD. EAC: esophageal adenocarcinoma; nEAC: neoadjuvant-treated esophageal cancer; ESCC: esophageal squamous cell carcinoma; nESCC: neoadjuvant-treated esophageal squamous cell carcinoma; UICC: Union for International Cancer Control.