Table 3. Multivariate analysis of OS and PFS.
| Variables | OS | PFS | |||||
|---|---|---|---|---|---|---|---|
| P value | HR | 95% CI | P value | HR | 95% CI | ||
| LNM | <0.001 | 0.354 | 0.234–0.534 | <0.001 | 0.402 | 0.286–0.564 | |
| Weight | 0.003 | 0.422 | 0.238–0.750 | 0.172 | 0.690 | 0.405–1.175 | |
| CCRT | <0.001 | <0.001 | |||||
| No | 0.173 | 1.389 | 0.866–2.228 | 0.083 | 1.415 | 0.955–2.095 | |
| Incomplete | <0.001 | 8.348 | 4.534–15.370 | <0.001 | 5.309 | 2.996–9.408 | |
LNM, lymph nodal metastasis; CCRT, concurrent chemotherapy radiotherapy; OS, overall survival; PFS, progression−free survival; HR, hazard ratio; CI, confidence interval.