Research Article
Prognostic Significance of the Tumor-Stroma Ratio in Epithelial Ovarian Cancer
Table 5
The significance of TSR in 838 EOC patients according to different subgroup using multivariate Cox survival analysis.
| Variable | Cases () | TR () | TD () | TSR | Progression-free survival (PFS) | Overall survival (OS) | HR | 95% CI | | HR | 95% CI | |
| Histology | | | | | | | | | | Serous | 599 | 533 | 422 | 1.873 | 1.564–2.242 | <0.001 | 2.075 | 1.702–2.530 | <0.001 | Mucous and others | 239 | 217 | 188 | 1.616 | 1.210–2.157 | 0.001 | 1.860 | 1.348–2.567 | <0.001 | FIGO stage (2009) | | | | | | | | | | I-II | 243 | 210 | 155 | 1.065 | 0.765–1.481 | 0.710 | 1.038 | 0.705–1.528 | 0.849 | III-IV | 595 | 540 | 455 | 2.058 | 1.726–2.455 | <0.001 | 2.302 | 1.904–2.783 | <0.001 | LN metastasis | | | | | | | | | | No | 657 | 572 | 451 | 1.276 | 1.082–1.505 | 0.004 | 1.818 | 1.492–2.216 | <0.001 | Yes | 181 | 178 | 159 | 2.156 | 1.588–2.926 | <0.001 | 2.555 | 1904–2.783 | <0.001 | Residual disease | | | | | | | | | | <1 cm | 631 | 561 | 451 | 1.961 | 1.646–2.337 | <0.001 | 2.167 | 1.790–2.624 | <0.001 | ≥1 cm | 207 | 189 | 159 | 1.387 | 1.015–1.896 | 0.040 | 1.607 | 1.135–2.276 | 0.007 |
|
|
TSR: tumor-stroma ratio; TR: tumor recurrence; TD: tumor-related death; LN: lymph node; HR: hazard ratio; CI: confidence interval; : value, Cox regression.
|