Table 1.
Clinical characteristics of EOC and PPC patients
| Characteristic | N (%) |
|---|---|
| Age(mean±SD), y | 52.59±9.2, 52 |
| <52 | 566 |
| ≥52 | 1256 |
| Body mass index (kg/m2) | 25.29±3.52 |
| Child number | |
| 0 | 203 (11.14) |
| 1-2 | 960 (52.69) |
| >2 | 659 (36.17) |
| Menopause | |
| yes | 1302 (71.46) |
| No | 520 (28.54) |
| With history of gynecologic surgery | 198 (10.87) |
| Gynecologic surgery types | |
| Hysterectomy | 65 (32.93) |
| USO | 48 (24.24) |
| Hysterectomy and USO | 36 (18.18) |
| Hysterectomy and bilateral salpingectomy | 24 (12.12) |
| BSO | 14 (7.07) |
| Hysterectomy and BSO | 11 (5.56) |
| Without history of gynecologic surgery | 1624 (89.13) |
| Histology | |
| Serous | 1292 (70.91) |
| Mucinous | 194 (10.65) |
| Endometrioid | 235 (12.90) |
| Clear cell | 87 (4.77) |
| Other* | 14 (0.77) |
| FIGO Stage (2009) | |
| Ⅰ—Ⅱ | 529 (29.03) |
| Ⅲ—Ⅳ | 1293 (70.97) |
EOC =Epithelial ovarian cancer; PPC= Primary peritoneal cancer; BSO=bilateral salpingoophorectomy; USO=unilateral salpingoophorectomy; *Other subtypes= for example Brenner and squamous cell tumors