Table 2.
Cox proportional hazards model for overall survival of all patients with pancreatic adenosquamous carcinoma and ductal adenocarcinoma reported in California, 2000–2007
| HR | 95% CI | p | |
|---|---|---|---|
| Histologic subtype | |||
| AC | 1.000 (referent) | ||
| ASC | 1.091 | 0.870–1.367 | 0.4509 |
| Age | 1.010 | 1.009–1.012 | <0.0001 |
| Gender | |||
| Male | 1.000 (referent) | ||
| Female | 0.951 | 0.918–0.986 | 0.006 |
| Ethnicity | |||
| Caucasian | 1.000 (referent) | ||
| Black | 1.035 | 0.966–1.108 | 0.3290 |
| Hispanic | 0.955 | 0.906–1.006 | 0.0802 |
| Asian | 0.922 | 0.866–0.981 | 0.0108 |
| Socioeconomic status | 0.966 | 0.953–0.980 | <0.0001 |
| Clinical stage | |||
| Localized | 1.000 (referent) | ||
| Regional | 1.275 | 1.177–1.382 | <0.0001 |
| Metastatic | 2.293 | 2.117–2.484 | <0.0001 |
| Oncologic resection | |||
| No | 1.000 (referent) | ||
| Yes | 0.444 | 0.419–0.472 | <0.0001 |
| Any radiation | |||
| No | 1.000 (referent) | ||
| Yes | 0.887 | 0.840–0.936 | <0.0001 |
| Any chemotherapy | |||
| No | 1.000 (referent) | ||
| Yes | 0.508 | 0.488–0.528 | <0.0001 |
The numbers in bold are those which are statistically significant, i.e. p < 0.05
HR hazard ratio for death, 95% CI 95% confidence interval