Table 3.
Multivariable Cox regression model of overall survival
| Factors | Adjusted HR (95% CI) | P |
|---|---|---|
| High exposure | ||
| No | 1.00 (reference) | – |
| Yes | 0.40 (0.20 to 0.82) | .003 |
| Age, y | ||
| ≤65 | 1.00 (reference) | – |
| >65 | 1.92 (0.99 to 3.72) | .22 |
| Sex | ||
| Male | 1.00 (reference) | – |
| Female | 0.91 (0.47 to 1.75) | .99 |
| Location | ||
| Rectum | 1.00 (reference) | – |
| Colon | 0.69 (0.36 to 1.33) | .29 |
| TNM stage | ||
| II | 1.00 (reference) | – |
| III | 1.14 (0.58 to 2.22) | 1 |
| Chemotherapy | ||
| No | 1.00 (reference) | – |
| Yes | 1.06 (0.52 to 1.95) | .87 |
*
The model was adjusted by Traditional Chinese Medicine use exposure, age, sex, TNM stage, tumor site, and chemotherapy. CI = confidence interval; HR = hazard ratio.