Table 5.
Multiple Variable Model Predicting Risk of Mortality (stratified by radiation and AJCC stage)
| Characteristic | Hazard Ratio | 95% CI | P |
|---|---|---|---|
| Signet ring cell histology | 1.05 | 0.96 to 1.11 | .150 |
| Age at diagnosis | 1.01 | 1.01 to 1.02 | < .001 |
| Female sex | 1.01 | 0.95 to 1.07 | .790 |
| Race/ethnicity, % | |||
| Black | 1.10 | 1.01 to 1.20 | .026 |
| API | 0.83 | 0.77 to 0.91 | < .001 |
| AIA | 1.01 | 0.73 to 1.39 | .972 |
| Hispanic ethnicity | 1.01 | 0.94 to 1.09 | .847 |
| Surgical resection | 0.37 | 0.34 to 0.39 | < .001 |
| Tumor grade | |||
| 2 | 1.20 | 0.98 to 1.45 | .071 |
| 3 | 1.47 | 1.22 to 1.78 | < .001 |
| 4 | 1.49 | 1.03 to 1.55 | .022 |
Abbreviations: AIA, American Indian/Alaska Native; AJCC, American Joint Committee on Cancer, 6th edition; API, Asian/Pacific Islander.