Univariate and multivariate analyses of 5-year overall survival
| Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95% CI) | p value | HR (95% CI) | p value | |
| Age > 50 yr | 5.7 (3.2–10.0) | < 0.001 | 5.5 (2.9–10.4) | < 0.001 |
| Sex, male v. female | 1.0 (0.7–1.4) | 0.94 | 0.9 (0.65–1.23) | 0.49 |
| Site | ||||
| Stomach v. small bowel | 0.6 (0.2–2.6) | 0.54 | 1.1 (0.28–4.7) | 0.85 |
| Appendix v. small bowel | 0.3 (0.2–0.6) | < 0.001 | 1.0 (0.5–1.7) | 0.99 |
| Colon v. small bowel | 0.9 (0.5–1.6) | 0.70 | 0.9 (0.5–1.7) | 0.89 |
| Rectum v. small bowel | 0.5 (0.3–0.9) | 0.048 | 0.8 (0.4–1.6) | 0.51 |
| Surgery, yes v. no | 0.5 (0.3–0.7) | < 0.001 | 0.6 (0.4–0.7) | 0.004 |
CI = confidence interval; HR = hazard ratio.