Table 2. Final Cox proportional hazards model multivariable regression with effect estimates for overall survival (defined as time from diagnosis until death from all causes) and cause specific survival (defined as time from diagnosis until death due to cancer).
Overall survival | Cause specific survival | |||||
---|---|---|---|---|---|---|
Hazard ratio | 95% confidence interval of hazard ratio | P-value | Hazard ratio | 95% confidence interval of hazard ratio | P-value | |
Gender | ||||||
Female | 1 (baseline) | 1 (baseline) | ||||
Male | 1.1 | 1.09-1.14 | <0.0001 | 1.1 | 1.07-1.12 | <0.0001 |
Age group | ||||||
Age <65 | 1 (baseline) | 1 (baseline) | ||||
Age 65+ | 1.4 | 1.40-1.45 | <0.0001 | 1.3 | 1.31-1.36 | <0.0001 |
Race | ||||||
White | 1 (baseline) | 1 (baseline) | ||||
Black | 1.2 | 1.12-1.19 | <0.0001 | 1.1 | 1.10-1.17 | <0.0001 |
Other | 0.9 | 0.84-0.91 | <0.001 | 0.9 | 0.84-0.91 | <0.0001 |
Unknown | 0.6 | 0.53-0.73 | <0.0001 | 0.6 | 0.50-0.72 | <0.0001 |
Relationship status | ||||||
Single | 1 (baseline) | 1 (baseline) | ||||
Married/Partner | 0.8 | 0.79-0.83 | <0.0001 | 0.8 | 0.80-0.84 | <0.0001 |
Separated/Divorced | 1.0 | 0.94-1.01 | 0.17 | 1.0 | 0.94-1.01 | 0.1536 |
Widowed | 1.1 | 1.06-1.13 | <0.0001 | 1.1 | 1.06-1.14 | <0.0001 |
Unknown | 0.9 | 0.87-0.96 | 0.0001 | 0.9 | 0.87-0.97 | 0.001 |
Year of diagnosis | ||||||
1988-1999 | 1 (baseline) | 1 (baseline) | ||||
2000-2011 | 0.8 | 0.80-0.83 | <0.0001 | 0.8 | 0.79-0.83 | <0.0001 |
Site | ||||||
Esophagus | 1 (baseline) | 1 (baseline) | ||||
Esophagus/GEJ | 1.0 | 0.94-0.98 | 0.0003 | 1.0 | 0.94-0.98 | <0.0001 |
Grade | ||||||
I | 1 (baseline) | 1 (baseline) | ||||
II | 1.2 | 1.14-1.25 | <0.0001 | 1.2 | 1.18-1.30 | <0.0001 |
III/IV | 1.4 | 1.33-1.46 | <0.0001 | 1.5 | 1.41-1.56 | <0.0001 |
Unknown | 1.2 | 1.17-1.28 | <0.0001 | 1.3 | 1.21-1.34 | <0.0001 |
Histology | ||||||
Adenocarcinoma | 1 (baseline) | 1 (baseline) | ||||
Squamous cell | 1.1 | 1.12-1.17 | <0.0001 | 1.1 | 1.12-1.17 | <0.0001 |
All others | 1.1 | 1.11-1.17 | <0.0001 | 1.2 | 1.12-1.19 | <0.0001 |
Stage | ||||||
Localized | 1 (baseline) | 1 (baseline) | ||||
Regional | 1.4 | 1.38-1.45 | <0.0001 | 1.6 | 1.54-1.63 | <0.0001 |
Distant | 3.0 | 2.91-3.06 | <0.0001 | 3.5 | 3.44-3.63 | <0.0001 |
Unknown | 2.0 | 1.90-2.02 | <0.0001 | 2.1 | 2.05-2.20 | <0.0001 |