Table 4. Univariate and multivariate analyses for RC patients.
| Characteristic | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| HR [95% CI] | P | HR [95% CI] | P | ||
| Gender | Female | 1 | 0.059 | 1 | 0.245 |
| Male | 0.948 [0.898-1.002] | 1.033 [0.978-1.092] | |||
| Age | <60 | 1 | <0.001 | 1 | <0.001 |
| ≥60 | 2.176 [2.050-2.309] | 2.046 [1.926-2.173] | |||
| Race | White | 1 | <0.001 | 1 | <0.001 |
| Black | 1.256 [1.146-1.376] | <0.001 | 1.286 [1.174-1.410] | <0.001 | |
| Other race | 0.850 [0.772-0.936] | 0.001 | 0.884 [0.802-0.973] | 0.012 | |
| AJCC Stage | Stage II | 1 | <0.001 | 1 | <0.001 |
| Stage III | 1.286 [1.216-1.359] | 1.338 [1.264-1.416] | |||
| Histological type | Adenocarcinoma | 1 | <0.001 | 1 | <0.001 |
| Mucinous/Signet ring cell cancer | 1.473 [1.353-1.604] | <0.001 | 1.425 [1.307-1.553] | <0.001 | |
| Others | 1.398 [1.111-1.759] | 0.004 | 1.333 [1.057-1.682] | 0.015 | |
| Grade | Grade I | 1 | <0.001 | 1 | <0.001 |
| Grade II | 1.023 [0.909-1.153] | 0.703 | 0.994 [0.882-1.120] | 0.920 | |
| Grade III | 1.589 [1.397-1.808] | <0.001 | 1.472 [1.293-1.675] | <0.001 | |
| Grade IV | 2.181 [1.742-2.732] | <0.001 | 1.912 [1.524-2.398] | <0.001 | |
| Therapy | Surgery only | 1 | <0.001 | 1 | <0.001 |
| Preoperative radiotherapy | 0.446 [0.419-0.474] | <0.001 | 0.503 [0.472-0.536] | <0.001 | |
| Postoperative radiotherapy | 0.546 [0.508-0.588] | <0.001 | 0.568 [0.528-0.612] | <0.001 | |
Other race (American Indian/AK Native, Asian/Pacific Islander).