Table 3. Univariate and multivariate analyses for RSC patients.
| Characteristic | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| HR [95% CI] | P | HR [95% CI] | P | ||
| Gender | Female | 1 | 0.036 | 1 | 0.001 |
| Male | 1.083 [1.005-1.166] | 1.135 [1.054-1.223] | |||
| Age | <60 | 1 | <0.001 | 1 | <0.001 |
| ≥60 | 2.525 [2.313-2.756] | 2.536 [2.321-2.772] | |||
| Race | White | 1 | <0.001 | 1 | <0.001 |
| Black | 1.281 [1.139-1.441] | <0.001 | 1.388 [1.233-1.561] | <0.001 | |
| Other race | 0.722 [0.628-0.830] | <0.001 | 0.748 [0.651-0.860] | <0.001 | |
| AJCC Stage | Stage II | 1 | <0.001 | 1 | <0.001 |
| Stage III | 1.226 [1.137-1.322] | 1.285 [1.191-1.387] | |||
| Histological type | Adenocarcinoma | 1 | <0.001 | 1 | <0.001 |
| Mucinous/Signet ring cell cancer | 1.669 [1.478-1.885] | <0.001 | 1.596 [1.412-1.804] | <0.001 | |
| Others | 1.733 [1.060-2.833] | 0.028 | 1.698 [1.036-2.781] | 0.036 | |
| Grade | Grade I | 1 | <0.001 | 1 | <0.001 |
| Grade II | 1.215 [1.028-1.436] | 0.022 | 1.265 [1.071-1.496] | 0.006 | |
| Grade III | 1.723 [1.436-2.068] | <0.001 | 1.697 [1.413-2.038] | <0.001 | |
| Grade IV | 1.879 [1.349-2.617] | <0.001 | 1.925 [1.381-2.683] | <0.001 | |
| Therapy | Surgery alone | 1 | <0.001 | 1 | <0.001 |
| Preoperative radiotherapy | 0.692 [0.607-0.788] | <0.001 | 0.763 [0.669-0.871] | <0.001 | |
| Postoperative radiotherapy | 0.693 [0.628-0.764] | <0.001 | 0.741 [0.671-0.818] | <0.001 | |
Other race (American Indian/AK Native, Asian/Pacific Islander).