Table 2 Univariate and multivariate analysis of DFS
Univariate | P value | Multivariate | P value | |||
|---|---|---|---|---|---|---|
HR | 95% confidence interval | HR | 95% confidence interval | |||
FIGO Stage | ||||||
 I | 1 | |||||
 ≧II | 7.204 | 4.093–12.680 | 0.000 | 6.544 | 2.137–20.041 | 0.001 |
Histology | ||||||
 Serous | 1 | 0.528 | ||||
 Mucinous | 0.353 | 0.171–0.726 | 0.005 | 1.215 | 0.275–5.375 | 0.797 |
 Others | 0.286 | 0.069–1.183 | 0.084 | 0.632 | 0.130–3.066 | 0.569 |
Lesion lateral | ||||||
 Unilateral | 1 | |||||
 Bilateral | 2.554 | 1.460–4.469 | 0.001 | 1.076 | 0.526–2.202 | 0.840 |
Micropapillary | ||||||
 Yes | 1.557 | 0.831–2.917 | 0.167 | |||
 No | 1 | |||||
Microinvasion | ||||||
 Yes | 5.092 | 2.954–8.779 | 0.000 | 0.478 | 0.181–1.261 | 0.136 |
 No | 1 | |||||
Carcinogenesis | ||||||
 Yes | 1.049 | 0.327–3.366 | 0.936 | NA | ||
 No | 1 | |||||
Staging surgery | ||||||
 Yes | 2.191 | 1.263–3.801 | 0.005 | 0.810 | 0.393–1.669 | 0.567 |
 No | 1 | |||||
Adjuvant chemotherapy | ||||||
 Yes | 5.281 | 3.002–9.289 | 0.000 | 2.031 | 0.913–4.519 | 0.083 |
 No | 1 | |||||
Ascites/Pelvic washings | ||||||
 Positive | 5.442 | 2.850–10.391 | 0.000 | 3.259 | 1.202–8.835 | 0.020 |
 Negative | 1 | |||||
Surgical Approach | ||||||
 Laparotomy | 1 | |||||
 Laparoscopy | 0.292 | 0.132–0.647 | 0.002 | 0.319 | 0.128–0.793 | 0.014 |
CA-125 | ||||||
 Normal | 1 | |||||
 Elevated | 2.201 | 1.224–3.960 | 0.008 | 0.825 | 0.422–1.611 | 0.572 |
Fertility sparing surgery | ||||||
 No | 1 | |||||
 Yes | 1.055 | 0.063–1.845 | 0.851 | NA | ||
Appendectomy | ||||||
 No | 1 | |||||
 Yes | 0.394 | 0.192–0.808 | 0.011 | NA | ||
Invasive implants | ||||||
 No | 1 | |||||
 Yes | 4.105 | 2.222–7.583 | 0.000 | 0.566 | 0.208–1.539 | 0.265 |