Table 3.
Cox proportional hazards model for overall survival of patients with resected locoregional pancreatic adenosquamous carcinoma and ductal adenocarcinoma reported in California, 2000–2007
| HR | 95% CI | p | |
|---|---|---|---|
| Histologic subtype | |||
| AC | 1.000 (referent) | ||
| ASC | 0.886 | 0.530–1.482 | 0.6454 |
| Age | 1.008 | 1.003–1.014 | 0.0043 |
| Gender | |||
| Male | 1.000 (referent) | ||
| Female | 0.998 | 0.893–1.116 | 0.9740 |
| Ethnicity | |||
| Caucasian | 1.000 (referent) | ||
| Black | 1.095 | 0.865–1.387 | 0.4514 |
| Hispanic | 1.043 | 0.884–1.231 | 0.6150 |
| Asian | 1.007 | 0.818–1.241 | 0.9445 |
| Socioeconomic status | 0.945 | 0.905–0.987 | 0.0112 |
| Clinical stage | |||
| Localized | 1.000 (referent) | ||
| Regional | 1.300 | 1.067–1.583 | 0.0091 |
| Tumor diameter | 1.009 | 1.005–1.012 | <0.0001 |
| Lymphatic involvement | |||
| No | 1.000 (referent) | ||
| Yes | 1.386 | 1.212–1.585 | <0.0001 |
| Adjuvant radiation | |||
| No | 1.000 (referent) | ||
| Yes | 0.791 | 0.679–0.922 | 0.0027 |
| Adjuvant chemotherapy | |||
| No | 1.000 (referent) | ||
| Yes | 0.651 | 0.561–0.756 | <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