Table 3.
Characteristics of the patients and lesions
| Training data | Test data | |||||
|---|---|---|---|---|---|---|
| Cancer | Non-cancer | All | Cancer | Non-cancer | All | |
| Patients (n) | 204 | 184 | 388 | 51 | 46 | 97 |
| Age | ||||||
| Mean (y ± SD) | 58 ± 11.50 | 46 ± 12.00 | 52 ± 13.00 | 60 ± 13.74 | 44 ± 12.53 | 53 ± 15.44 |
| Range (y) | 28–83 | 22–81 | 22–83 | 30–91 | 21–71 | 21–91 |
| Pathological type (n) | ||||||
| Benign (n) | ||||||
| Benign ovarian tumor | 93 | 16 | ||||
| Leiomyoma | 71 | 24 | ||||
| Endometrial hyperplasia | 25 | 6 | ||||
| Nabothian cyst | 17 | 3 | ||||
| Other | 40 | 7 | ||||
| Malignant (n) | ||||||
| EC grade 1 | 118 | 30 | ||||
| EC grade 2 | 51 | 11 | ||||
| EC grade 3 | 20 | 9 | ||||
| Other ECs | 15 | 1 | ||||
| Stage I | 130 | 37 | ||||
| Stage II | 23 | 4 | ||||
| Stage III | 33 | 5 | ||||
| Stage IV | 18 | 5 | ||||
| Images (n) | ||||||
| Axial (T2WI, ADC map, CE-T1WI) | 1,471 | 1,434 | 2,905 | 51 | 46 | 97 |
| Sagittal (T2WI, CE-T1WI) | 619 | 480 | 1,099 | 51 | 46 | 97 |
SD, standard deviation; EC, Endometrioid carcinoma; T2WI, T2 weighted image; ADC, Apparent Diffusion Coefficient; CE-T1WI, contrast-enhanced T1 weighted image