Table 2.
Multivariable Cox regression model of disease-free survival*
| Factors | Adjusted HR (95% CI) | P |
|---|---|---|
| High exposure | ||
| No | 1.00 (reference) | – |
| Yes | 0.62 (0.39 to 0.96) | .039 |
| Age, y | ||
| ≤65 | 1.00 (reference) | – |
| >65 | 1.13 (0.71 to 1.79) | .62 |
| Sex | ||
| Male | 1.00 (reference) | – |
| Female | 1.14 (0.74 to 1.74) | .57 |
| Location | ||
| Rectum | 1.00 (reference) | – |
| Colon | 0.76 (0.49 to 1.17) | .21 |
| TNM stage | ||
| II | 1.00 (reference) | – |
| III | 1.38 (0.88 to 2.17) | .17 |
| Chemotherapy | ||
| No | 1.00 (reference) | – |
| Yes | 0.97 (0.62 to 1.52) | .85 |
*
The model was adjusted by Traditional Chinese Medicine use exposure, age, sex, TNM stage, tumor site, and chemotherapy. CI = confidence interval; HR = hazard ratio.