Table 1.
Baseline patient and tumor characteristics (n = 284)
| Covariate | Frequency (%) |
|---|---|
| Sex | |
| Male | 248 |
| Female | 36 |
| Age (years) | |
| Average | 58.5 |
| SD | 10.2 |
| Race | |
| Asian | 4 |
| Black | 5 |
| Hispanic | 16 |
| White | 259 |
| Primary tumor site | |
| Esophagus | 23 |
| AEG I | 159 |
| AEG II | 102 |
| Tumor stage [19] | |
| I | 1 |
| II | 117 |
| III | 152 |
| IV | 14 |
| Histology | |
| Adenocarcinoma | 261 |
| Adenosquamous cell carcinoma | 2 |
| Squamous cell carcinoma | 20 |
| Undetermined | 1 |
| Tumor grade | |
| G1 well differentiated | 2 |
| G2 moderately differentiated | 127 |
| G3 poorly differentiated | 155 |
| Length of tumor | |
| Average (cm) | 5.4 |
| SD | 2.4 |
AEG, adenocarcinoma of the esophagogastric junction; SD, standard deviation.