Table 5.
Variable | Cases (N) | TR (N) | TD (N) | TSR | |||||
---|---|---|---|---|---|---|---|---|---|
Progression-free survival (PFS) | Overall survival (OS) | ||||||||
HR | 95% CI | P | HR | 95% CI | P | ||||
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; P: P value, Cox regression.