Table 4.
Treatment characteristics
| Variable | n (%) |
|---|---|
| Radiotherapy schedulea | |
| Schedule 1 (WP 30 Gy + CS 20 Gy + HDR-BT 4 fr) | 50 (83) |
| Schedule 2 (WP 40 Gy + CS 10 Gy + HDR-BT 3 fr) | 7 (12) |
| Schedule 3 (WP 40 Gy + CS 10 Gy + HDR-BT 4 fr) | 3 (5) |
| Central shield width | |
| 3 cm | 57 (95) |
| 4 cm | 3 (5) |
| EBRT nodal boost | |
| Yes | 27 (45) |
| No | 33 (55) |
| Brachytherapy applicators | |
| Tandem + ovoid | 214 (92) |
| Tandem | 11 (5) |
| Ovoid | 2 (1) |
| Cylinder | 6 (3) |
| Brachytherapy technique | |
| Intracavitary (ICBT) | 157 (67) |
| Intracavitary/interstitial (HBT) | 76 (33) |
| Number of needles used in HBT | |
| 1 | 26 (34) |
| 2 | 27 (36) |
| 3 | 14 (18) |
| 4 | 7 (9) |
| 5 | 2 (3) |
| Number of HBT for each session | |
| First | 19 (32) |
| Second | 22 (37) |
| Third | 20 (33) |
| Fourth | 15 (28) |
aWP = whole-pelvis external beam radiotherapy; fr =fraction.