Table 4 Multivariate Cox analysis of the ARS for re-RT
Variable | p Value | RR (95% CI) |
|---|---|---|
Failure patterns | 0.997 | – |
Initial treatment | 0.287 | – |
RFI time | 0.042 | 0.743 (0.559–0.989) |
Chemotherapy | 0.001 | 0.580 (0.420–0.802) |
Salvage radiation dose | 0.379 | – |
Esophageal stenosis | 0.045 | 1.319 (1.007–1.729) |
Fat space between tumor and adjacent tissue disappeared | 0.158 | – |
Hb level | 0.155 | – |