Table 2. Univariate and multivariate analyses for SC patients.
| Characteristic | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| HR [95% CI] | P | HR [95% CI] | P | ||
| Gender | Female | 1 | 0.041 | 1 | 0.194 |
| Male | 1.050 [1.002-1.101] | 1.032 [0.984-1.082] | |||
| Age | <60 | 1 | <0.001 | 1 | <0.001 |
| ≥60 | 2.562 [2.415-2.718] | 2.665 [2.511-2.829] | |||
| Race | White | 1 | <0.001 | 1 | <0.001 |
| Black | 1.139 [1.058-1.227] | 0.001 | 1.256 [1.166-1.354] | <0.001 | |
| Other race | 0.745 [0.685-0.810] | <0.001 | 0.781 [0.718-0.850] | <0.001 | |
| AJCC Stage | Stage II | 1 | <0.001 | 1 | <0.001 |
| Stage III | 1.162 [1.108-1.219] | 1.254 [1.195-1.316] | |||
| Histological type | Adenocarcinoma | 1 | <0.001 | 1 | <0.001 |
| Mucinous/Signet ring cell cancer | 1.438 [1.327-1.558] | <0.001 | 1.354 [1.248-1.469] | <0.001 | |
| Others | 2.139 [1.568-2.919] | <0.001 | 1.775 [1.298-2.427] | <0.001 | |
| Grade | Grade I | 1 | <0.001 | 1 | <0.001 |
| Grade II | 0.962 [0.876-1.057] | 0.419 | 1.000 [0.910-1.100] | 0.994 | |
| Grade III | 1.370 [1.232-1.523] | <0.001 | 1.393 [1.252-1.550] | <0.001 | |
| Grade IV | 1.537 [1.243-1.900] | <0.001 | 1.584 [1.281-1.960] | <0.001 | |
| Therapy | Surgery alone | 1 | 0.910 | 1 | 0.279 |
| Preoperative radiotherapy | 1.045 [0.760-1.438] | 0.785 | 1.200 [0.872-1.652] | 0.262 | |
| Postoperative radiotherapy | 0.979 [0.865-1.109] | 0.739 | 1.076 [0.950-1.218] | 0.248 | |
Other race (American Indian/AK Native, Asian/Pacific Islander).