Table 5.
Multivariate Analysis in Variables of Factors Associated with the Survival of Colorectal Cancer
| Covariable | Unadjusted model | P-value | Adjusted model | P-value |
|---|---|---|---|---|
| HR (95% CI) | HR (95% CI) | |||
| Age (yr) | ||||
| < 65 | Reference | Reference | ||
| ≥ 65 | 1.4 (0.8–2.2) | 0.20 | - | |
| Schooling | ||||
| High | Reference | Reference | ||
| Low | 7.3 (1.0–53.3) | 0.05 | 7.6 (1.1–54.7) | 0.04 |
| Origin | ||||
| Urban | Reference | Reference | ||
| Rural | 0.8 (0.5–1.2) | 0.20 | - | 0.19 |
| Clinical stage | ||||
| Early | Reference | Reference | ||
| Advanced | 2.1 (1.1–4.0) | 0.03 | 2.1 (1.2–4.0) | 0.02 |
| Metastasis | ||||
| Absence | Reference | Reference | ||
| Presence | 1.7 (1.02–2.9) | 0.04 | 1.8 (1.1–2.9) | 0.03 |
| Treatment 1 | ||||
| Without surgery | Reference | Reference | ||
| With surgery | 0.9 (0.5–1.7) | 0.81 | - | 0.26 |
| Treatment 2 | ||||
| With surgery chemotherapy | Reference | Reference | ||
| Without surgery chemotherapy | 0.7 (0.4–1.4) | 0.29 | - | 0.09 |