Table 4.
Role of radiotherapy related to cancer-specific survival (CSS) and overall survival (OS) in stratified Cox regression analysis.
| Surgery style | CSS | OS | ||||
|---|---|---|---|---|---|---|
| No radiotherapy | Radiotherapy | No radiotherapy | Radiotherapy | |||
| HR | P value | HR | P value | |||
| No surgery | Reference | 0.76 (0.69, 0.84) | < 0.001 | Reference | 0.76 (0.69, 0.83) | < 0.001 |
| Local tumor excision/segmental resection | Reference | 0.87 (0.61, 1.26) | 0.462 | Reference | 0.82 (0.57, 1.17) | 0.276 |
| Lobectomy/hepatectomy | Reference | 0.94 (0.68, 1.31) | 0.724 | Reference | 0.91 (0.66, 1.25) | 0.558 |
Adjustment factors: Age; Sex; Race; Marital status; Insured status; Year at diagnosis; Grade; Tumor size; AJCC stage; chemotherapy.