Table 4.
Multivariate analysis of DFS and OS using the Cox proportion hazard model in pure mucinous carcinoma
| DFS |
OS |
|||
|---|---|---|---|---|
| Multivariate RR (95% CI) | p-value | Multivariate RR (95% CI) | p-value | |
| T category | ||||
| 1 | 1 | .535 | - | |
| 2 | 1.069 (0.275–4.156) | .924 | ||
| 3 | 2.892 (0.411–20.324) | .286 | ||
| Node metastasis | 4.818 (1.609–14.424) | .005 | 11.724 (1.059–129.775) | .045 |
| Nuclear grade | ||||
| 1 | 1 | .629 | - | |
| 2 | 2.532 (0.345–18.608) | .361 | ||
| 3 | 5.113 (0.046–565.687) | .497 | ||
| Histologic grade | ||||
| I | 1 | .977 | - | |
| II | 1.091 (0.207–5.742) | .918 | ||
| III | 0.731 (0.008–66.579) | .892 | ||
| HER2 | 7.822 (2.130–28.722) | .002 | 2.738 (0.189–39.568) | .460 |
| LVI | 2.355 (0.559–9.928) | .243 | - | |
DFS, disease-free survival; OS, overall survival; RR, relative risk; CI, confidence interval; HER2, human epidermal growth factor receptor 2; LVI, lymphovascular invasion.