Table 2.
Multivariate Analysis for DFS and OS
| Variable | Comparison | DFS |
OS |
||||
|---|---|---|---|---|---|---|---|
| Adjusted HR | 95% CI | P | Adjusted HR | 95% CI | P | ||
| Treatment | RT + FU/MMC v RT + FU/CDDP | 1.40 | 1.11 to 1.78 | .005 | 1.39 | 1.05 to 1.83 | .022 |
| Sex | Female v male | 1.27 | 0.99 to 1.63 | .06 | 1.38 | 1.03 to 1.85 | .031 |
| Tumor diameter | > 2-5 cm v > 5 cm | 1.51 | 1.17 to 1.93 | .0012 | 1.30 | 0.97 to 1.75 | .079 |
| Clinical node status | Negative v positive | 1.82 | 1.42 to 2.34 | < .001 | 1.88 | 1.41 to 2.51 | < .001 |
Abbreviations: DFS, disease-free survival; HR, hazard ratio; OS, overall survival; RT + FU/CDDP, radiation therapy plus fluorouracil/cisplatin; RT + FU/MMC, RT plus fluorouracil/mitomycin.