Table 1.
Patient’s clinical and pathologic characteristics
| Parameter | Primary ovary cancer |
|---|---|
| Ovarian cancer samples included to the multicenter study, n (%) | 275 (100.0) |
| Age at time of diagnosis, median (range), years | 58 (18–85) |
| Histological type, n (%) | |
| Serous | 237 (86.2) |
| Endometrioid | 13 (4.7) |
| Mixed/others* | 25 (9.1) |
| Tumor stage, n (%) | |
| FIGO II | 15 (5.4) |
| FIGO III | 212 (77.1) |
| FIGO IV | 48 (17.5) |
| Lymph node status, n (%) | |
| N0 | 65 (23.6) |
| N1 | 143 (52) |
| Nx | 67 (24.4) |
| Distant metastatic spread, n (%) | |
| M0 | 142 (51.6) |
| M1 | 49 (17.8) |
| Mx | 84 (30.5) |
| Grading, n (%) | |
| Well differentiated | 10 (3.6) |
| Moderately differentiated | 64 (23.3) |
| Poorly differentiated | 200 (72.7) |
| Unknown | 1 (0.4) |
| CA-125 level, n (%) | 258 (93.8) |
| Preoperatively, median (range), U/mL | 1,500.24 (7–37,820) |
| Ascites volume, n (%) | |
| None | 66 (24) |
| ≤500 mL | 110 (40) |
| >500 mL | 100 (36) |
| Peritoneal carcinomatosis, n (%) | |
| Yes | 186 (67.6) |
| No | 89 (32.4) |
| Postoperative residual tumor mass, n (%) | |
| Macroscopic tumor free | 188 (68.4) |
| ≤1 cm | 48 (17.5) |
| >1 cm | 38 (13.8) |
| Missing | 1 (0.4) |
Note:
*
Eleven mixed, nine undifferentiated, and two clear-cell carcinomas.
Abbreviation: FIGO, International Federation of Gynecology and Obstetrics.