Table 1.
Characteristics of study subjects with ESCC for validation
| Characteristics | N (N=48) | % |
|---|---|---|
|
| ||
| Age (years) | ||
| <60 | 10 | 20.83 |
| ≥60 | 38 | 79.17 |
| Gender | ||
| Male | 27 | 56.25 |
| Female | 21 | 43.75 |
| Smoking | ||
| Yes | 21 | 43.75 |
| No | 27 | 56.25 |
| Drinking | ||
| Yes | 19 | 39.58 |
| No | 29 | 60.42 |
| Tumor location | ||
| Upper and middle-upper | 6 | 12.50 |
| Middle | 24 | 50.00 |
| Middle-lower and lower | 18 | 37.50 |
| Tumor differentiation | ||
| Well-moderately and well | 18 | 37.50 |
| Moderately | 21 | 43.75 |
| Moderate-poorly and poorly | 9 | 18.75 |
| T stage | ||
| T1 | 8 | 16.67 |
| T2 | 21 | 43.75 |
| T3 | 19 | 39.58 |
| Lymph node infiltrated | ||
| N0 | 32 | 66.67 |
| N1 | 7 | 14.58 |
| N2 | 9 | 18.75 |
| Clinical stage | ||
| I | 10 | 20.83 |
| II | 24 | 50.00 |
| III | 14 | 29.67 |
Abbreviation: ESCC, esophageal squamous cell carcinoma.