Table 1.
Pretreatment Characteristics
| Covariate | Frequency |
|
|---|---|---|
| No. | % | |
| Age, years | ||
| Median | 67 | |
| Range | 20-89 | |
| Sex | ||
| Male | 242 | 87.7 |
| Female | 34 | 12.3 |
| Race | ||
| White | 239 | 86.6 |
| Other | 37 | 13.4 |
| Primary site | ||
| Esophagus | 61 | 22.1 |
| GEJ | 215 | 77.9 |
| Histology | ||
| Adenocarcinoma | 215 | 77.9 |
| Squamous cell carcinoma | 57 | 20.7 |
| Adenosquamous cell carcinoma | 4 | 1.4 |
| Histologic grade | ||
| Well/moderate | 132 | 47.8 |
| Poor | 143 | 51.8 |
| Unspecified | 1 | 0.4 |
| Baseline T stage | ||
| T1 | 10 | 3.6 |
| T2 | 23 | 8.3 |
| T3 | 229 | 83.0 |
| T4 | 11 | 4.0 |
| TX | 3 | 1.1 |
| Baseline N stage | ||
| N0 | 84 | 30.4 |
| N1 | 190 | 68.8 |
| NX | 2 | 0.7 |
| Baseline M stage | ||
| M0 | 241 | 87.3 |
| M1 | 35 | 12.7 |
| Baseline stage | ||
| Stage I | 9 | 3.3 |
| Stage II | 81 | 29.3 |
| Stage III | 151 | 54.7 |
| Stage IV | 35 | 12.7 |
Abbreviation: GEJ, gastroesophageal junction.