Table 4.
Types of surgery in initial treatment
| Type of surgery | Number of patients |
| SS group | 23 |
| USO+OM+RLND | 15 |
| USO+OM+RLND+BO | 4 |
| USO+OM+RLND+CC | 1 |
| UC+OM+RLND | 2 |
| UC+OM+RLND+BO | 1 |
| Non-SS group | 71 |
| USO | 28 |
| USO+CC | 6 |
| USO+BO | 4 |
| UC | 20 |
| BC | 6 |
| UC+BO | 1 |
| UC+OM+BO | 1 |
| USO+OM | 4 |
| USO+OM+BO | 1 |
Descriptive statistics was used for data process. USO: unilateral salpingo-oophorectomy; OM: omentectomy; RLND: retroperitoneal lymph nodes dissection or biopsy; BO: biopsy from the opposite ovarian; CC: contralateral cystectomy; UC: unilateral cystectomy; BC: bilateral cystectomy