Table 4.
Risk and protective factors
| Hazard ratio | p | |
|---|---|---|
| Perforation | 1 | 0.149 |
| Obstruction | 1.961 | |
| Stage | ||
| I + II | 1 | 0.007 |
| III | 1.154 | |
| IV | 4.901 | |
| CKD | 1.496 | 0.489 |
| BMI | 2.260 | 0.066 |
| Adjuvant chemotherapy/radiotherapy | 0.202 | 0.002 |
In the multivariate analysis of overall survival, tumor stage was a risk factor, whereas receiving adjuvant chemotherapy or radiotherapy was a protective factor. High BMI was associated with poor survival. Survival rates in perforation or obstruction were not significantly different
CKD chronic kidney disease, BMI body mass index