Table 1.
Characteristics of the ESCC patients
| Characteristics | No. of patients (%) (N = 379) |
|---|---|
| Age, years† |
|
| ≤ 60 |
128 (33.8%) |
| > 60 |
251 (66.2%) |
| Sex |
|
| Male |
221 (58.3%) |
| Female |
158 (41.7%) |
| Operative procedure |
|
| Left thoracotomy |
253 (66.8%) |
| Ivor-Lewis/Three-field technique‡ |
126 (33.2%) |
| Tumor location |
|
| Upper |
20 (5.3%) |
| Middle |
260 (68.6%) |
| Lower |
99 (26.1%) |
| Tumor Grade |
|
| Grade 1 |
80 (21.1%) |
| Grade 2 |
250 (65.9%) |
| Grade 3 |
49 (13.0%) |
| Pathological T status |
|
| T1 |
39 (10.3%) |
| T2 |
213 (56.2%) |
| T3 |
127 (33.5%) |
| Pathological N status |
|
| N0 |
127 (33.5%) |
| N1 |
252 (66.5%) |
| Pathological TNM stage |
|
| Stage IIA |
127 (33.5%) |
| Stage IIB |
252 (66.5%) |
| Cyfra21-1 level |
|
| Low (≤3.30 ng/ml) |
198 (52.2%) |
| High (>3.30 ng/ml) |
181 (47.8%) |
| SCC-Ag level |
|
| Low (≤1.5 μg/L) |
103 (27.2%) |
| High (>1.5 μg/L) | 276 (72.8%) |
Abbreviation: T, tumor; N, node; TNM, tumor-node-metastasis.
† Median age; ‡Thoracic-abdominal-cervical incision.