Table 4.
Matched-Pair Analyses for Overall and Failure-Free Survival by Disease Stage
| All Patients (217 matched pairs) | Stage I/II Patients (125 matched pairs) | Stage III/IV Patients (76 matched pairs) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | Survival Estimate | 95% CI | Log-Rank P Value | Survival Estimate | 95% CI | Log-Rank P Value | Survival Estimate | 95% CI | Log-Rank P Value |
| Overall Survival | |||||||||
| Radiotherapy | |||||||||
| No | Baseline | 0.32 | Baseline | 0.89 | Baseline | 0.07 | |||
| Yes | 0.76 | 0.45–1.30 | 0.94 | 0.38–2.34 | 0.53 | 0.27–1.06 | |||
| Failure-Free Survival | |||||||||
| Radiotherapy | |||||||||
| No | Baseline | 0.69 | Baseline | 0.15 | Baseline | 0.34 | |||
| Yes | 0.92 | 0.60–1.40 | 1.81 | 0.81–4.02 | 0.77 | 0.46–1.32 | |||