Table 2.
Descriptive characteristics of manually and automatically contoured cohorts
| Characteristic | No. (%) |
|||
|---|---|---|---|---|
| MC cohort (N, %) | AC cohort (N, %) | |||
| Age, mean (range), y | 52 (30-78) | 54 (28-81) | ||
| High-risk CTV, mean (range), cc | 50 (28-176) | 49 (16-189) | ||
| Cervical cancer (FIGO stage) | ||||
| IA1 | 2 (6) | 2 (7) | ||
| IB2 | 4 (13) | 0 (0) | ||
| IB3 | 0 (0) | 3 (10) | ||
| IIA1 | 1 (3) | 2 (7) | ||
| IIA2 | 5 (16) | 4 (13) | ||
| IIB | 1 (3) | 3 (10) | ||
| IIIA | 0 (0) | 1 (3) | ||
| IIIB | 3 (10) | 0 (0) | ||
| IIIC1 | 5 (16) | 9 (30) | ||
| IIIC2 | 0 (0) | 0 (0) | ||
| IV | 1 (3) | 4 (13) | ||
| Endometrial cancer (FIGO stage) | ||||
| IA | 2 (6) | 0 (0) | ||
| IIIA | 1 (3) | 0 (0) | ||
| IIIB | 1 (3) | 0 (0) | ||
| Vaginal cancer (FIGO stage) | ||||
| IB | 1 (3) | 0 (0) | ||
| IIB | 1 (3) | 1 (3) | ||
| IVA | 2 (6) | 1 (3) | ||
| Ovarian cancer - Stage II | 1 (3) | 0 (0) | ||
| External beam radiation therapy | ||||
| Yes | 30 (97) | 30 (100) | ||
| No | 1 (3) | 0 (0) | ||
| Brachytherapy total dose/fx | ||||
| 24 Gy/3 fx | 8 (26) | 7 (23) | ||
| 24 Gy/4 fx | 9 (29) | 6 (19) | ||
| 28 Gy/4 fx | 12 (39) | 15 (48) | ||
| 25 Gy/5 fx | 0 (0) | 2 (6) | ||
| 30 Gy/5 fx | 1 (3) | 0 (0) | ||
| 35 Gy/5 fx | 1 (3) | 0 (0) | ||
Abbreviations: AC= automatically contoured; CTV = clinical target volume; FIGO = International Federation of Gynecology and Obstetrics; fx = fractions; MC = manually contoured,