| Variable |
Benign |
Malignant |
P-value |
| Age (mean ± SD) |
48.6 ± 13.1 |
59.3 ± 10.2 |
0.001 |
| Serum CA-125 (u/ml)* (range) |
22.1 (12-35.5) |
515.5 (168.25-801.75) |
0.001 |
| RMI* (range) |
57 (30-150.5) |
3771 (518.25-7215.75) |
0.001 |
| Menopausal status |
|
|
0.001 |
| Premenopausal |
40 |
10 |
|
| Postmenopausal |
20 |
36 |
|
| Sonographic morphology |
| Multilocularity |
39 |
46 |
0.001 |
| Presence of solid areas |
40 |
44 |
0.001 |
| Presence of ascites |
2 |
34 |
0.001 |
| Bilaterality |
4 |
13 |
0.003 |
| Evidence of metastases |
4 |
13 |
0.003 |
| Ultrasound score |
|
|
0.001 |
| |
1 |
33 |
0 |
| |
≥ 2 |
27 |
46 |
*median result |
